{"id":72,"date":"2023-09-16T13:06:27","date_gmt":"2023-09-16T13:06:27","guid":{"rendered":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/"},"modified":"2023-09-16T13:06:27","modified_gmt":"2023-09-16T13:06:27","slug":"%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/","title":{"rendered":"\ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubd05\ub2c8\ub2e4. \ub610\ud55c \uc608\uc81c\ub3c4 \ubcfc \uc218 \uc788\uc73c\uba70 \uc5f0\uc2b5 \ubb38\uc81c\uc640 \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub418\ub294 \ubb38\uc81c\ub97c \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"formula-del-angulo-entre-dos-vectores\"><\/span> \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4 \uacf5\uc2dd <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angle-entre-deux-vecteurs-et-produit-scalaire.webp\" alt=\"\ub450 \ub0b4\uc801 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\" class=\"wp-image-583\" width=\"187\" height=\"190\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<\/div>\n<p> <a href=\"https:\/\/mathority.org\/ko\/\u1103\u116e-\u1107\u1166\u11a8\u1110\u1165-\u1100\u1161\u11ab\u110b\u1174-\u1109\u1173\u110f\u1161\u11af\u1105\u1161-\u1100\u1169\u11b8\u110b\u1173\u11af-\u1100\u1168\u1109\u1161\u11ab\u1112\u1161\u11b8\u1102\u1175\u1103\u1161.-\u110b\u1168\u110c\u1166-\u1112\u1162\u1100\u1167\u11af-\u110b\u1167\u11ab\u1109\u1173\u11b8\/\">\ub0b4\uc801\uc758 \uc815\uc758\ub97c<\/a> \uae30\uc5b5\ud558\uba74 \ub2e4\uc74c \ubc29\uc815\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-66d255d6dd1b74f0a5cd6a209c2a9505_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\vv{\\text{u}} \\cdot \\vv{\\text{v}} = \\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert \\cdot \\cos(\\alpha )\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"168\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc774 \ub3d9\ub4f1\uc131\uc73c\ub85c\ubd80\ud130 \uc6b0\ub9ac\ub294 \ub450 \ubca1\ud130\uc5d0 \uc758\ud574 \ud615\uc131\ub41c \uac01\ub3c4\ub97c \uc9c1\uc811 \ucc3e\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uacf5\uc2dd\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> <strong>\ub450 \ubca1\ud130\uc5d0 \uc758\ud574 \ud615\uc131\ub41c \uac01\ub3c4\uc758 \ucf54\uc0ac\uc778\uc740 \ub450 \ubca1\ud130\uc758 \ubaa8\ub4c8\ub7ec\uc2a4 \uacf1\uc73c\ub85c \ub098\ub208 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \ub0b4\uc801\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n<p> \uc989, \ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \uad6c\ud558\ub294 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/formule-dangle-entre-deux-vecteurs.webp\" alt=\"\ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4 \uacf5\uc2dd\" class=\"wp-image-587\" width=\"270\" height=\"128\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<\/div>\n<p> \ub530\ub77c\uc11c \ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \ucc3e\uc73c\ub824\uba74 <a href=\"https:\/\/mathority.org\/ko\/\u1107\u1166\u11a8\u1110\u1165-\u1109\u116e\u1109\u1175\u11a8\u110b\u1174-\u1106\u1169\u1103\u1172\u11af-\u110b\u1168\u110c\u1166-\u1112\u1162\u1100\u1167\u11af-\u110b\u1167\u11ab\u1109\u1173\u11b8\/\">\ubca1\ud130\uc758 \ud06c\uae30\ub97c \uacc4\uc0b0\ud558\ub294<\/a> \ubc29\ubc95\uc744 \uc544\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \ub9c1\ud06c\uc5d0\uc11c\ub294 \ubca1\ud130 \ubaa8\ub4c8\uc5d0 \ub300\ud55c \uacf5\uc2dd, \uc608\uc81c \ubc0f \ud574\uacb0 \uc5f0\uc2b5\ubb38\uc81c\ub97c \ucc3e\uc744 \uc218 \uc788\uc73c\ubbc0\ub85c \uc774 \ubca1\ud130 \uc5f0\uc0b0\uc744 \uc544\uc9c1 \ub9c8\uc2a4\ud130\ud558\uc9c0 \uc54a\uc558\ub2e4\uba74 \ud55c \ubc88 \uc0b4\ud3b4\ubcf4\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uc774 \uacf5\uc2dd\uc740 \ud3c9\uba74(R2)\uacfc \uacf5\uac04(R3) \ubaa8\ub450\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc989, 2\uc131\ubd84 \ub610\ub294 3\uc131\ubd84 \ubca1\ud130\uc5d0 \ub300\ud574 \uc774\ub97c \uc0c1\ud638 \uad50\ud658\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uadf8\ub7ec\ub098 \ub54c\ub85c\ub294 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \ucd94\ub860\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc774 \uacf5\uc2dd\uc744 \uc801\uc6a9\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \ubc29\ud5a5\uc774 \uac19\uc740 \ub450 <strong>\uc218\uc9c1<\/strong> \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub294 0\u00b0\uc785\ub2c8\ub2e4.<\/li>\n<li> \ub450 <strong>\uc9c1\uad50<\/strong> (\ub610\ub294 \uc218\uc9c1) \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub294 90\u00b0\uc785\ub2c8\ub2e4. <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-de-como-hallar-el-angulo-entre-dos-vectores\"><\/span> \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \ucc3e\ub294 \ubc29\ubc95\uc758 \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c \ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9f9ae15324c67998fbf5bb3a1a23a39b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{u}} = (4,-1) \\qquad \\vv{\\text{v}} = (2,5)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"194\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uba3c\uc800 \uac01 \ubca1\ud130\uc758 \ubaa8\ub4c8\uc744 \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-407fe81f99d6f328024431ce1264a262_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert \\vv{\\text{u}} \\rvert = \\sqrt{4^2+(-1)^2}= \\sqrt{17}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"198\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6f8f801f8b137ed446af80104eaeba37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert \\vv{\\text{v}} \\rvert = \\sqrt{2^2+5^2}= \\sqrt{29}\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"170\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\uc758 \ucf54\uc0ac\uc778\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b1f1619914a14d6cf7117760d651a0f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos(\\alpha) =\\cfrac{\\vv{\\text{u}} \\cdot \\vv{\\text{v}}}{\\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert}=\\cfrac{ 4\\cdot 2 + (-1)\\cdot 5}{\\sqrt{17}\\cdot \\sqrt{29}} = \\cfrac{3}{\\sqrt{493}} = 0,14\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"387\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucf54\uc0ac\uc778\uc758 \uc5ed\uc218\ub97c \uacc4\uc0b0\ud558\uc5ec \ud574\ub2f9 \uac01\ub3c4\ub97c \ucc3e\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-26875d19d098689f9f1829db2a0a5b7e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos^{-1}(0,14) = \\bm{81,95\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"157\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \ub450 \ubca1\ud130\ub294 81.95\u00b0\uc758 \uac01\ub3c4\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-angulos-entre-vectores\"><\/span> \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\uc5d0 \ub300\ud55c \ud574\uacb0 \uc5f0\uc2b5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ub2e4\uc74c \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-499126756373eb2239008634feec46c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\vv{\\text{u}}=(5,3) \\qquad  \\vv{\\text{v}} =(1,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"180\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc6b0\uc120 \ub450 \ubca1\ud130\uc758 \ubaa8\ub4c8\ub7ec\uc2a4\ub97c \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8ec0bd408f2cb730372b129c07447bb5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert \\vv{\\text{u}} \\rvert = \\sqrt{5^2+3^2}= \\sqrt{34}\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"170\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1f75602deaa00b7d68322e42455d4954_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert \\vv{\\text{v}} \\rvert = \\sqrt{ 1^2+2^2}= \\sqrt{5}\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"161\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubca1\ud130\uc5d0 \uc758\ud574 \ud615\uc131\ub41c \uac01\ub3c4\uc758 \ucf54\uc0ac\uc778\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-26d67b7514a805a0fd3ad15191fbd1c8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos(\\alpha) =\\cfrac{\\vv{\\text{u}} \\cdot \\vv{\\text{v}}}{\\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert}=\\cfrac{ 5\\cdot 1 + 3\\cdot 2}{\\sqrt{34}\\cdot \\sqrt{5}} = \\cfrac{11}{\\sqrt{170}} = 0,84\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"360\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucf54\uc0ac\uc778\uc758 \uc5ed\uc218\ub97c \uacc4\uc0b0\ud558\uc5ec \ud574\ub2f9 \uac01\ub3c4\ub97c \ucc3e\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c08fd9d0bf6afbf2cc5b22809df64d3f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos^{-1}(0,84) = \\bm{32,47\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"158\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 2<\/h3>\n<p> \ub2e4\uc74c \ub450 \ubca1\ud130 \uc0ac\uc774\uc5d0 \uc874\uc7ac\ud558\ub294 \uac01\ub3c4\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-608b8fbebe6a76c94f7260810ae1dcdd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\vv{\\text{u}}=(-2,-7) \\qquad  \\vv{\\text{v}} =(-1,5)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"221\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc6b0\uc120 \ubca1\ud130\uc758 \ubaa8\ub4c8\uc744 \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-751a8c816f55c14f3c48b2c863c3efa4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert \\vv{\\text{u}} \\rvert = \\sqrt{ (-2)^2+(-7)^2}= \\sqrt{53}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"225\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c8a9191c8cc87d5eeb9ba2adef3860f6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\lvert \\vv{\\text{v}} \\rvert = \\sqrt{ (-1)^2+5^2}= \\sqrt{26}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"197\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\ub294 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubca1\ud130\uac00 \uac16\ub294 \uac01\ub3c4\uc758 \ucf54\uc0ac\uc778\uc744 \uc5bb\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bbea7ef49f40b0d70811175b255fc3d3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos(\\alpha) =\\cfrac{\\vv{\\text{u}} \\cdot \\vv{\\text{v}}}{\\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert}=\\cfrac{ (-2)\\cdot (-1) + (-7)\\cdot 5}{\\sqrt{53}\\cdot \\sqrt{26}} = \\cfrac{-33}{\\sqrt{1378}} = -0,89\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"465\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucf54\uc0ac\uc778\uc758 \uc5ed\uc218\ub97c \uacc4\uc0b0\ud558\uc5ec \ud574\ub2f9 \uac01\ub3c4\ub97c \ucc3e\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-db9c37ff21d0c5d933f0600eb634035f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos^{-1}(-0,89) = \\bm{152,74\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"180\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 3<\/h3>\n<p> \uac00\uce58\ub97c \uacc4\uc0b0\ud558\ub2e4<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \ub530\ub77c\uc11c \ub2e4\uc74c \ubca1\ud130\ub294 \uc218\uc9c1\uc774 \ub429\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0c3383b73b240784dc6b044cc5a3b10a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\vv{\\text{u}}=(6,3) \\qquad  \\vv{\\text{v}} =(-4,k)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"195\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ub450 \uac1c\uc758 \uc218\uc9c1 \ubca1\ud130\ub294 90\u00b0\uc758 \uac01\ub3c4\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \uc544\uc9c1: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e83a6b694c8dfa0975854f1bffec44de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos(90\u00ba) =\\cfrac{\\vv{\\text{u}} \\cdot \\vv{\\text{v}}}{\\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"133\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3ef11c2ecbf7bc8dff4217a761960387_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0=\\cfrac{\\vv{\\text{u}} \\cdot \\vv{\\text{v}}}{\\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"86\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ubd84\uc218\uc758 \ubd84\ubaa8\ub294 \ubc29\uc815\uc2dd\uc758 \uc624\ub978\ucabd \uc804\uccb4\ub97c \ub098\ub204\ubbc0\ub85c \ubc18\ub300\ucabd\uc744 \uacf1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-797dd0ce47130f959c984510894f08b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 \\cdot \\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert  =\\vv{\\text{u}} \\cdot \\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"129\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b58e54d3d5fa6e123ca5e27a27d77ad1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0  =\\vv{\\text{u}} \\cdot \\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"64\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \uc6b0\ub9ac\ub294 \ub0b4\uc801\uc744 \ud47c\ub2e4: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ee1d711c5614be091814b91a3ad3affa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =(6,3) \\cdot (-4,k)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"138\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e2cd46b62546f556478c5a3b070dd0f1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =6 \\cdot (-4) + 3\\cdot k\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"143\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a4cc0480b00da3aba9adb1d3aaf37325_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =-24 +3k\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"104\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc6b0\ub9ac\ub294 \ubbf8\uc2a4\ud130\ub9ac\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7c13e237f419b6189e700d3b375233c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -3k =-24\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"87\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-28ec14747b40a0cd14929b157215c4e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle k =\\cfrac{-24}{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"75\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-54d31d581504a9c867c5f29e53acd788_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{k =8}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 4<\/h3>\n<p> \uc0c1\uc218\uac00 \uac00\uc838\uc57c \ud558\ub294 \uac12 \ucc3e\uae30<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uadf8\ub9ac\uace0<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> \ub530\ub77c\uc11c \ub2e4\uc74c \ubca1\ud130\ub294 \uc218\uc9c1\uc774\uace0 \ub610\ud55c \uc774\ub294 \ucc38\uc785\ub2c8\ub2e4. <\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1f1e9bd6329419b155da0ff40b9d61e8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert \\vv{\\text{u}} \\rvert =10.\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"63\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b32214ac021a1b48b4643fea940062ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\vv{\\text{u}}=(-6,a) \\qquad  \\vv{\\text{v}} =(b,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"193\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uba3c\uc800 \ubaa8\ub4c8\ub7ec\uc2a4 \uc870\uac74\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac12\uc744 \ucc3e\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4fad90838c7fa310bdbea2364787ced6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a:\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"18\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c247d22a0918c32059ba3ddaaff4fbfd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert \\vv{\\text{u}} \\rvert =10\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"59\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d28001c5a9398f2653cdda9fc6ca3070_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sqrt{(-6)^2+a^2}=10\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"141\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-43d07a907289c2425d41ef63f6ff1acd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sqrt{36+a^2}=10\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"112\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc81c\uacf1\uadfc\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574 \ubc29\uc815\uc2dd\uc758 \uc591\ucabd \ubcc0\uc744 \uc62c\ub9ac\uba74 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-82bc99f0d181db4e2499a41633bafc8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left(\\sqrt{36+a^2}\\right)^2=10^2\" title=\"Rendered by QuickLaTeX.com\" height=\"35\" width=\"146\" style=\"vertical-align: -11px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b950dcac0bf08532d7e6f5d41b7de602_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"36+a^2=100\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"107\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \uc6b0\ub9ac\ub294 \ubbf8\uc2a4\ud130\ub9ac\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0d2957cd064f117478d48077c1d6a7be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a^2=100 -36\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"107\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bbc56fe6fb2923832590bd589be0c593_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a^2=64\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"59\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-16b2f840c377014039359be948ab832b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\sqrt{64}\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"66\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7897d0ec97cc23b3a386de3efb8e2466_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{a=8}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc6b0\ub9ac\uac00 \uadf8 \uac00\uce58\ub97c \uc54c\uace0 \ub098\uba74<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> , \uac12\uc744 \ucc3e\uc73c\uc2ed\uc2dc\uc624.<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> \ub450 \ubca1\ud130\uc758 \uac01\ub3c4\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uba74 \ub450 \ubca1\ud130\uac00 \uc218\uc9c1\uc774\uc5b4\uc57c \ud55c\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc73c\ubbc0\ub85c \ub450 \ubca1\ud130\ub294 90\u00b0\ub97c \ud615\uc131\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e83a6b694c8dfa0975854f1bffec44de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos(90\u00ba) =\\cfrac{\\vv{\\text{u}} \\cdot \\vv{\\text{v}}}{\\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"133\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3ef11c2ecbf7bc8dff4217a761960387_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0=\\cfrac{\\vv{\\text{u}} \\cdot \\vv{\\text{v}}}{\\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"86\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ubd84\uc218\uc758 \ubd84\ubaa8\ub294 \ubc29\uc815\uc2dd\uc758 \uc624\ub978\ucabd \uc804\uccb4\ub97c \ub098\ub204\ubbc0\ub85c \ubc18\ub300\ucabd\uc744 \uacf1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-797dd0ce47130f959c984510894f08b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 \\cdot \\lvert \\vv{\\text{u}} \\rvert \\cdot \\lvert \\vv{\\text{v}} \\rvert  =\\vv{\\text{u}} \\cdot \\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"129\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b58e54d3d5fa6e123ca5e27a27d77ad1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0  =\\vv{\\text{u}} \\cdot \\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"64\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \ub0b4\uc801\uc744 \ud480\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cc125de9cd9b958bb85b7ffb79ef91ba_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =(-6,8) \\cdot (b,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"136\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-67a24872ace77b1c8cbc512d361d9866_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =-6 \\cdot b +8\\cdot 3\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"128\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dfbbe49209a7e767517fab13634eaf8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =-6b +24\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"102\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc6b0\ub9ac\ub294 \ubbf8\uc2a4\ud130\ub9ac\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b73000a4e9d07e053e2b45eb4522a7aa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 6b =24\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"58\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-33bb24f252697112b44e30bc9f9240ff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle b =\\cfrac{24}{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"51\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-13d0b4768ea510b5e1b989f4eeb9deb3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{b =4}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"40\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 5<\/h3>\n<p> \uac01\ub3c4 \uacc4\uc0b0<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-28575fb8fa361427b255d8744e982cf2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha , \\beta\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"30\" style=\"vertical-align: -4px;\"><\/p>\n<p> \uadf8\ub9ac\uace0<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4de02fc502ed5dbd15f371728ea270a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\gamma\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: -4px;\"><\/p>\n<p> \uc774\ub294 \ub2e4\uc74c \uc0bc\uac01\ud615\uc758 \ubcc0\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exercice-angle-resolu-entre-vecteurs-produit-scalaire.webp\" alt=\"\ub450 \ubca1\ud130\uc758 \uc2a4\uce7c\ub77c \uacf1\uc744 \ud1b5\ud574 \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5 \ubc0f \ubb38\uc81c\" class=\"wp-image-560\" width=\"290\" height=\"226\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc0bc\uac01\ud615\uc744 \uad6c\uc131\ud558\ub294 \uaf2d\uc9c0\uc810\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-75a4919fae29190e3effdeedcec8eb6d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(2,1) \\qquad B(4,4) \\qquad C(6,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"230\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc0bc\uac01\ud615\uc758 \ub0b4\uac01\uc744 \uacc4\uc0b0\ud558\ub824\uba74 \uac01 \ubcc0\uc758 \ubca1\ud130\ub97c \uacc4\uc0b0\ud55c \ub2e4\uc74c \ub0b4\uc801 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc0bc\uac01\ud615\uc774 \ud615\uc131\ud558\ub294 \uac01\ub3c4\ub97c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \uc608\ub97c \ub4e4\uc5b4 \uac01\ub3c4\ub97c \uad6c\ud558\ub824\uba74<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8f0b6b1a01f8fcc2f95be0364c090397_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uce21\uba74\uc758 \ubca1\ud130\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6a9da14fa9cc4e50b06bdfa76801b083_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{AB} = B - A = (4,4)-(2,1)= (2,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"287\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8e4e2e72bee87bba3e7657a53935e660_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{AC} = C - A = (6,2)-(2,1)= (4,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"286\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \uc2a4\uce7c\ub77c \uacf1 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub450 \ubca1\ud130\uac00 \ud615\uc131\ud558\ub294 \uac01\ub3c4\ub97c \ucc3e\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7b6aad49b300d421fc3bb486f051294c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert \\vv{AB} \\rvert = \\sqrt{2^2+3^2} = \\sqrt{13}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"185\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f6657897e68d6b68f79277c89abe6868_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert \\vv{AC} \\rvert = \\sqrt{4^2+1^2} = \\sqrt{17}\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"185\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a966db5753cbb53c424c0f962fb27102_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos(\\alpha) =\\cfrac{\\vv{AB} \\cdot \\vv{AC}}{\\lvert \\vv{AB} \\rvert \\cdot \\lvert \\vv{AC} \\rvert}=\\cfrac{ 2\\cdot 4 + 3\\cdot 1}{\\sqrt{13}\\cdot \\sqrt{17}} = \\cfrac{11}{\\sqrt{221}} =0,74\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"396\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9fac783dc0113263dfb5c31b58231fae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{\\alpha = 42,27\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"79\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \uac01\ub3c4\ub97c \uacb0\uc815\ud558\uae30 \uc704\ud574 \ub3d9\uc77c\ud55c \uc808\ucc28\ub97c \ubc18\ubcf5\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ea160d5901518098e691e051e6efa4a9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\beta:\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"20\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-398c0b2dc840abfc63700a084e9e2956_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{BC} = C - B = (6,2)-(4,4)= (2,-2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"302\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b7825d9e3b0ceee57e7ecd470e52a242_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lvert \\vv{BC} \\rvert = \\sqrt{2^2+(-2)^2} = \\sqrt{8}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"207\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e0e73fd58d6a5b487af9f971fdcdc97f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\cos(\\beta) =\\cfrac{\\vv{AB} \\cdot \\vv{BC}}{\\lvert \\vv{AB} \\rvert \\cdot \\lvert \\vv{BC} \\rvert}=\\cfrac{ 2\\cdot 2 + 3\\cdot (-2)}{\\sqrt{13}\\cdot \\sqrt{8}} = \\cfrac{-2}{\\sqrt{104}} =-0,20\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"437\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1b2f148d28b9679b8267886497e16518_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{\\beta = 101,31\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"86\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ub9c8\uc9c0\ub9c9 \uac01\ub3c4\ub97c \ucc3e\uae30 \uc704\ud574 \ub3d9\uc77c\ud55c \uc808\ucc28\ub97c \ubc18\ubcf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc0bc\uac01\ud615\uc758 \ubaa8\ub4e0 \uac01\ub3c4\uc758 \ud569\uc740 180\ub3c4\uac00 \ub418\uc5b4\uc57c \ud558\ubbc0\ub85c \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-662cae07e8d96d1164dad2b0358302fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\gamma = 180 -42,27-101,31 = \\bm{36,42\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"266\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubd05\ub2c8\ub2e4. \ub610\ud55c \uc608\uc81c\ub3c4 \ubcfc \uc218 \uc788\uc73c\uba70 \uc5f0\uc2b5 \ubb38\uc81c\uc640 \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub418\ub294 \ubb38\uc81c\ub97c \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4 \uacf5\uc2dd \ub0b4\uc801\uc758 \uc815\uc758\ub97c \uae30\uc5b5\ud558\uba74 \ub2e4\uc74c \ubc29\uc815\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub3d9\ub4f1\uc131\uc73c\ub85c\ubd80\ud130 \uc6b0\ub9ac\ub294 \ub450 \ubca1\ud130\uc5d0 \uc758\ud574 \ud615\uc131\ub41c \uac01\ub3c4\ub97c \uc9c1\uc811 \ucc3e\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uacf5\uc2dd\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/\"> <span class=\"screen-reader-text\">\ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/span> \ub354 \ubcf4\uae30 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-72","post","type-post","status-publish","format-standard","hentry","category-22"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub098\uc694? (\uacf5\uc2dd) \u2705<\/title>\n<meta name=\"description\" content=\"\ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc124\uba85\uc785\ub2c8\ub2e4. \u2705 \uc608\uc2dc, \uc5f0\uc2b5\ubb38\uc81c, \ubb38\uc81c\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\ubcf4\uc138\uc694. \u2705\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/ko\/\ub450-\ubca1\ud130-\uc0ac\uc774\uc758-\uac01\ub3c4\ub97c-\uacc4\uc0b0\ud558\ub294-\ubc29\ubc95-\uc608\uc81c-\ud574\uacb0-\ubc29\ubc95\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u25b7 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub098\uc694? (\uacf5\uc2dd) \u2705\" \/>\n<meta property=\"og:description\" content=\"\ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc124\uba85\uc785\ub2c8\ub2e4. \u2705 \uc608\uc2dc, \uc5f0\uc2b5\ubb38\uc81c, \ubb38\uc81c\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\ubcf4\uc138\uc694. \u2705\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mathority.org\/ko\/\ub450-\ubca1\ud130-\uc0ac\uc774\uc758-\uac01\ub3c4\ub97c-\uacc4\uc0b0\ud558\ub294-\ubc29\ubc95-\uc608\uc81c-\ud574\uacb0-\ubc29\ubc95\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-16T13:06:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angle-entre-deux-vecteurs-et-produit-scalaire.webp\" \/>\n<meta name=\"author\" content=\"Mathority \ud300\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mathority \ud300\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/\"},\"author\":{\"name\":\"Mathority \ud300\",\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/person\/b7f677c20b58bb738a8602832db8c1c7\"},\"headline\":\"\ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\",\"datePublished\":\"2023-09-16T13:06:27+00:00\",\"dateModified\":\"2023-09-16T13:06:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/\"},\"wordCount\":2,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/mathority.org\/ko\/#organization\"},\"articleSection\":[\"\ubca1\ud130\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/\",\"url\":\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/\",\"name\":\"\u25b7 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub098\uc694? (\uacf5\uc2dd) \u2705\",\"isPartOf\":{\"@id\":\"https:\/\/mathority.org\/ko\/#website\"},\"datePublished\":\"2023-09-16T13:06:27+00:00\",\"dateModified\":\"2023-09-16T13:06:27+00:00\",\"description\":\"\ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc124\uba85\uc785\ub2c8\ub2e4. \u2705 \uc608\uc2dc, \uc5f0\uc2b5\ubb38\uc81c, \ubb38\uc81c\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\ubcf4\uc138\uc694. \u2705\",\"breadcrumb\":{\"@id\":\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mathority.org\/ko\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mathority.org\/ko\/#website\",\"url\":\"https:\/\/mathority.org\/ko\/\",\"name\":\"Mathority\",\"description\":\"\ud638\uae30\uc2ec\uacfc \uacc4\uc0b0\uc774 \ub9cc\ub098\ub294 \uacf3!\",\"publisher\":{\"@id\":\"https:\/\/mathority.org\/ko\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mathority.org\/ko\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mathority.org\/ko\/#organization\",\"name\":\"Mathority\",\"url\":\"https:\/\/mathority.org\/ko\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/mathority.org\/ko\/wp-content\/uploads\/2023\/10\/mathority-logo.png\",\"contentUrl\":\"https:\/\/mathority.org\/ko\/wp-content\/uploads\/2023\/10\/mathority-logo.png\",\"width\":703,\"height\":151,\"caption\":\"Mathority\"},\"image\":{\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/person\/b7f677c20b58bb738a8602832db8c1c7\",\"name\":\"Mathority \ud300\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/mathority.org\/ko\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/dd3f98feaeb54f342e72193f2059ae90dc3178f59adb7c82b33fc7d71c6ee19d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/dd3f98feaeb54f342e72193f2059ae90dc3178f59adb7c82b33fc7d71c6ee19d?s=96&d=mm&r=g\",\"caption\":\"Mathority \ud300\"},\"sameAs\":[\"http:\/\/mathority.org\/ko\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u25b7 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub098\uc694? (\uacf5\uc2dd) \u2705","description":"\ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc124\uba85\uc785\ub2c8\ub2e4. \u2705 \uc608\uc2dc, \uc5f0\uc2b5\ubb38\uc81c, \ubb38\uc81c\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\ubcf4\uc138\uc694. \u2705","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mathority.org\/ko\/\ub450-\ubca1\ud130-\uc0ac\uc774\uc758-\uac01\ub3c4\ub97c-\uacc4\uc0b0\ud558\ub294-\ubc29\ubc95-\uc608\uc81c-\ud574\uacb0-\ubc29\ubc95\/","og_locale":"ko_KR","og_type":"article","og_title":"\u25b7 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub098\uc694? (\uacf5\uc2dd) \u2705","og_description":"\ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc124\uba85\uc785\ub2c8\ub2e4. \u2705 \uc608\uc2dc, \uc5f0\uc2b5\ubb38\uc81c, \ubb38\uc81c\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\ubcf4\uc138\uc694. \u2705","og_url":"https:\/\/mathority.org\/ko\/\ub450-\ubca1\ud130-\uc0ac\uc774\uc758-\uac01\ub3c4\ub97c-\uacc4\uc0b0\ud558\ub294-\ubc29\ubc95-\uc608\uc81c-\ud574\uacb0-\ubc29\ubc95\/","article_published_time":"2023-09-16T13:06:27+00:00","og_image":[{"url":"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angle-entre-deux-vecteurs-et-produit-scalaire.webp"}],"author":"Mathority \ud300","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Mathority \ud300"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/#article","isPartOf":{"@id":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/"},"author":{"name":"Mathority \ud300","@id":"https:\/\/mathority.org\/ko\/#\/schema\/person\/b7f677c20b58bb738a8602832db8c1c7"},"headline":"\ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95","datePublished":"2023-09-16T13:06:27+00:00","dateModified":"2023-09-16T13:06:27+00:00","mainEntityOfPage":{"@id":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/"},"wordCount":2,"commentCount":0,"publisher":{"@id":"https:\/\/mathority.org\/ko\/#organization"},"articleSection":["\ubca1\ud130"],"inLanguage":"ko-KR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/","url":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/","name":"\u25b7 \ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub098\uc694? (\uacf5\uc2dd) \u2705","isPartOf":{"@id":"https:\/\/mathority.org\/ko\/#website"},"datePublished":"2023-09-16T13:06:27+00:00","dateModified":"2023-09-16T13:06:27+00:00","description":"\ub450 \ubca1\ud130\uac00 \uc774\ub8e8\ub294 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc124\uba85\uc785\ub2c8\ub2e4. \u2705 \uc608\uc2dc, \uc5f0\uc2b5\ubb38\uc81c, \ubb38\uc81c\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\ubcf4\uc138\uc694. \u2705","breadcrumb":{"@id":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mathority.org\/ko\/%eb%91%90-%eb%b2%a1%ed%84%b0-%ec%82%ac%ec%9d%b4%ec%9d%98-%ea%b0%81%eb%8f%84%eb%a5%bc-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95-%ec%98%88%ec%a0%9c-%ed%95%b4%ea%b2%b0-%eb%b0%a9%eb%b2%95\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mathority.org\/ko\/"},{"@type":"ListItem","position":2,"name":"\ub450 \ubca1\ud130 \uc0ac\uc774\uc758 \uac01\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95"}]},{"@type":"WebSite","@id":"https:\/\/mathority.org\/ko\/#website","url":"https:\/\/mathority.org\/ko\/","name":"Mathority","description":"\ud638\uae30\uc2ec\uacfc \uacc4\uc0b0\uc774 \ub9cc\ub098\ub294 \uacf3!","publisher":{"@id":"https:\/\/mathority.org\/ko\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mathority.org\/ko\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/mathority.org\/ko\/#organization","name":"Mathority","url":"https:\/\/mathority.org\/ko\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/mathority.org\/ko\/#\/schema\/logo\/image\/","url":"https:\/\/mathority.org\/ko\/wp-content\/uploads\/2023\/10\/mathority-logo.png","contentUrl":"https:\/\/mathority.org\/ko\/wp-content\/uploads\/2023\/10\/mathority-logo.png","width":703,"height":151,"caption":"Mathority"},"image":{"@id":"https:\/\/mathority.org\/ko\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/mathority.org\/ko\/#\/schema\/person\/b7f677c20b58bb738a8602832db8c1c7","name":"Mathority \ud300","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/mathority.org\/ko\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/dd3f98feaeb54f342e72193f2059ae90dc3178f59adb7c82b33fc7d71c6ee19d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/dd3f98feaeb54f342e72193f2059ae90dc3178f59adb7c82b33fc7d71c6ee19d?s=96&d=mm&r=g","caption":"Mathority \ud300"},"sameAs":["http:\/\/mathority.org\/ko"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/posts\/72","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/comments?post=72"}],"version-history":[{"count":0,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/posts\/72\/revisions"}],"wp:attachment":[{"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/media?parent=72"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/categories?post=72"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathority.org\/ko\/wp-json\/wp\/v2\/tags?post=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}