{"id":33,"date":"2023-09-17T11:02:59","date_gmt":"2023-09-17T11:02:59","guid":{"rendered":"https:\/\/mathority.org\/ko\/%ec%bd%94%ec%82%ac%ec%9d%b8%ec%97%90%ec%84%9c-%ec%9c%a0%eb%9e%98\/"},"modified":"2023-09-17T11:02:59","modified_gmt":"2023-09-17T11:02:59","slug":"%ec%bd%94%ec%82%ac%ec%9d%b8%ec%97%90%ec%84%9c-%ec%9c%a0%eb%9e%98","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%ec%bd%94%ec%82%ac%ec%9d%b8%ec%97%90%ec%84%9c-%ec%9c%a0%eb%9e%98\/","title":{"rendered":"\ucf54\uc0ac\uc778 \ud30c\uc0dd \uc0c1\ud488"},"content":{"rendered":"<p>\uc5ec\uae30\uc5d0\uc11c\ub294 \ucf54\uc0ac\uc778 \ud568\uc218(\uacf5\uc2dd)\ub97c \uc720\ub3c4\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubd05\ub2c8\ub2e4. \ucf54\uc0ac\uc778 \ud568\uc218\uc758 \ubbf8\ubd84 \uc608\ub97c \ud655\uc778\ud558\uace0 \ub2e8\uacc4\ubcc4 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \ucf54\uc0ac\uc778\uc758 2\ucc28 \ub3c4\ud568\uc218\ub294 \ubb34\uc5c7\uc778\uc9c0, \uc2ec\uc9c0\uc5b4 \uc5ed\ucf54\uc0ac\uc778\uc758 \ub3c4\ud568\uc218\ub294 \ubb34\uc5c7\uc778\uc9c0\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc758 \uc99d\uba85\ub3c4 \ubcf4\uc5ec\ub4dc\ub9bd\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcual-es-la-derivada-del-coseno\"><\/span> \ucf54\uc0ac\uc778\uc758 \ubbf8\ubd84\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\ucf54\uc0ac\uc778 \ud568\uc218\uc758 \ubbf8\ubd84\uc740 \ubd80\ud638 \uc218\uc815\ub41c \uc0ac\uc778 \ud568\uc218\uc785\ub2c8\ub2e4. \uc989, x\uc758 \ucf54\uc0ac\uc778\uc758 \ub3c4\ud568\uc218\ub294 x\uc758 \uc0ac\uc778\uc744 \ube80 \uac12\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/strong><\/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-72551067d650b8d3797bc37497ec609d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(x) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\text{sen}(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"389\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ucf54\uc0ac\uc778 \uc778\uc218\uc5d0 \ud568\uc218\uac00 \uc788\ub294 \uacbd\uc6b0 \ucf54\uc0ac\uc778\uc758 \ub3c4\ud568\uc218\ub294 \ud574\ub2f9 \ud568\uc218\uc758 \uc0ac\uc778\uc744 \ube80 \uac12\uc5d0 \ud568\uc218\uc758 \ub3c4\ud568\uc218\ub97c \uacf1\ud55c \uac12\uc785\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-ccc4f6fce30c027f8782a296a44b84b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(u) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\text{sen}(u)\\cdot u'\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"416\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub450 \ubc88\uc9f8 \uacf5\uc2dd\uc740 \uccab \ubc88\uc9f8 \uacf5\uc2dd\uacfc \ub3d9\uc77c\ud558\uc9c0\ub9cc \uccb4\uc778 \uaddc\uce59\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc694\uc57d\ud558\uba74 \ucf54\uc0ac\uc778\uc758 \ubbf8\ubd84 \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\/derivee-du-cosinus.webp\" alt=\"\ucf54\uc0ac\uc778 \ud30c\uc0dd \uc0c1\ud488\" class=\"wp-image-1902\" width=\"428\" height=\"292\" srcset=\"\" sizes=\"auto, \" data-src=\"\"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplos-de-la-derivada-del-coseno\"><\/span> \ucf54\uc0ac\uc778 \ud30c\uc0dd \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc774\uc81c \uc6b0\ub9ac\ub294 \ucf54\uc0ac\uc778 \uacf5\uc2dd\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uc558\uc73c\ubbc0\ub85c \uc774\ub7ec\ud55c \uc720\ud615\uc758 \uc0bc\uac01 \ud568\uc218 \ubbf8\ubd84\uc5d0 \ub300\ud55c \uba87 \uac00\uc9c0 \uc608\ub97c \uc124\uba85\ud558\uc5ec \ucf54\uc0ac\uc778 \ud568\uc218\ub97c \ud30c\uc0dd\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc758\uc2ec\uc758 \uc5ec\uc9c0\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-1-derivada-del-coseno-de-2x\"><\/span> \uc608\uc2dc 1: 2x\uc758 \ucf54\uc0ac\uc778 \ud30c\uc0dd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-87c696135df266b2d8498b353bf03c36_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(2x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"114\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ucf54\uc0ac\uc778 \uc778\uc218\uc5d0\ub294 \ub2e8\uc77c x\uac00 \uc5c6\uace0 \uc624\ud788\ub824 \ub354 \ubcf5\uc7a1\ud55c \ud568\uc218\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ucf54\uc0ac\uc778\uc744 \ub3c4\ucd9c\ud558\ub824\uba74 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\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-ccc4f6fce30c027f8782a296a44b84b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(u) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\text{sen}(u)\\cdot u'\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"416\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> 2x\uc758 \ub3c4\ud568\uc218\ub294 2\uc774\ubbc0\ub85c, 2x\uc758 \ucf54\uc0ac\uc778\uc758 \ub3c4\ud568\uc218\ub294 2x\uc758 \uc0ac\uc778\uc5d0\uc11c 2\ub97c \uacf1\ud55c \uac12\uc744 \ube80 \uac12\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-ba75c906f1694fe3fbd16fa61e0d288e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(2x) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\text{sen}(2x)\\cdot 2=-2\\text{sen}(2x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"532\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-2-derivada-del-coseno-de-x-al-cuadrado\"><\/span> \uc608 2: x \uc81c\uacf1\uc758 \ucf54\uc0ac\uc778 \ud30c\uc0dd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-89f1a1fc3f2d5e95aafbd2a37282f88c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(x^2)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"113\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc774\uc804 \uc608\uc5d0\uc11c\uc640 \uac19\uc774 \ucf54\uc0ac\uc778 \uc778\uc218\uc5d0\ub294 x\uc640 \ub2e4\ub978 \ud568\uc218\uac00 \uc788\uc73c\ubbc0\ub85c \uccb4\uc778 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucf54\uc0ac\uc778\uc744 \ud30c\uc0dd\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-ccc4f6fce30c027f8782a296a44b84b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(u) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\text{sen}(u)\\cdot u'\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"416\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uadf8\ub7ec\uba74 x <sup>2<\/sup> \uc758 \ub3c4\ud568\uc218\ub294 2x\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c x\uc758 2\uc2b9 \ucf54\uc0ac\uc778 \ub3c4\ud568\uc218\ub294 \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-a410f3316194c86b97a987b0ec7e9e6a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(x^2) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\text{sen}(x^2)\\cdot 2x\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"437\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-3-derivada-del-coseno-al-cubo\"><\/span> \uc608\uc2dc 3: \uc138\uc81c\uacf1 \ucf54\uc0ac\uc778\uc758 \ubbf8\ubd84<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dfa2e76d23ef3aeb2ab3ff8e20e2aa07_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}^3(2x^6-5x^3)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"178\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc774 \uc608\uc758 \ucf54\uc0ac\uc778 \ud568\uc218\ub294 \ub2e4\ub978 \ud568\uc218\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ub3c4\ud568\uc218\ub97c \ud480\ub824\uba74 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc801\uc6a9\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-ccc4f6fce30c027f8782a296a44b84b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}(u) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\text{sen}(u)\\cdot u'\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"416\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \ud568\uc218\uc758 \ubbf8\ubd84\uc5d0 \ub3c4\ub2ec\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-73284bcfb1d5647b2304e323e7fbaedf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}f'(x)&amp;=3\\text{cos}^2(2x^6-5x^3)\\cdot \\bigl(-\\text{sen}(2x^6-5x^3)\\bigr)\\cdot (12x^5-15x^2)\\\\[2ex]&amp;=-3\\text{cos}^2(2x^6-5x^3)\\cdot \\text{sen}(2x^6-5x^3)\\cdot (12x^5-15x^2)\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"467\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span> <u style=\"text-decoration-color:#ff951b;\">\uc774 \ud568\uc218\ub97c \ubbf8\ubd84\ud558\ub824\uba74<\/u> <span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u110c\u1165\u11ab\u1105\u1167\u11a8-\u110c\u1165\u11ab\u110b\u1171-\u1112\u1161\u11b7\u1109\u116e\u110b\u1174-\u1106\u1175\u1107\u116e\u11ab\/\">\uc7a0\uc7ac\uc801 \ud568\uc218\uc758<\/a><\/span> \ub3c4\ud568\uc218 \uacf5\uc2dd\ub3c4 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"segunda-derivada-del-coseno\"><\/span> \ucf54\uc0ac\uc778\uc758 2\ucc28 \ub3c4\ud568\uc218<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ub2e4\uc74c\uc73c\ub85c \uc0bc\uac01\ud568\uc218\uc758 \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \uc0ac\uc778\uc758 2\ucc28 \ub3c4\ud568\uc218\ub97c \uc27d\uac8c \uacc4\uc0b0\ud560 \uc218 \uc788\uc74c\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span> \ucc38\uace0: \ub2e4\uc74c \ub0b4\uc6a9\uc744 \uc774\ud574\ud558\ub824\uba74 <span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u1107\u116e\u1107\u1175\u1103\u1169\u11bc-\u1111\u1161\u1109\u1162\u11bc\u1106\u116e\u11af\/\">\uc0ac\uc778\uc758 \ub3c4\ud568\uc218\uac00 \ubb34\uc5c7\uc778\uc9c0<\/a><\/span> <u style=\"text-decoration-color:#ff951b;\"><strong>\uc54c\uc544\uc57c<\/strong> \ud569\ub2c8\ub2e4<\/u> .<\/p>\n<p> <strong>x\uc758 \ucf54\uc0ac\uc778\uc758 2\ucc28 \ub3c4\ud568\uc218\ub294 x\uc758 \ucf54\uc0ac\uc778\uc744 \ube80 \uac12\uc785\ub2c8\ub2e4.<\/strong> \uc774\uc0c1\ud558\uac8c \ubcf4\uc77c \uc218\ub3c4 \uc788\uc9c0\ub9cc \uc218\ud559\uc801\uc73c\ub85c\ub294 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \uc0ac\uc778\uc758 \ub3c4\ud568\uc218\ub294 \ucf54\uc0ac\uc778\uc774\ubbc0\ub85c x\uc758 \ucf54\uc0ac\uc778\uc744 \ub450 \ubc88 \ubbf8\ubd84\ud558\uba74 \ucf54\uc0ac\uc778\uc774 \ub2e4\uc2dc \uc5bb\uc5b4\uc9c0\uc9c0\ub9cc \ubd80\ud638\ub294 \uc218\uc815\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-d0d9dda8a4031c367120b1f950da4391_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}f(x)=\\text{cos}(x)\\\\[1.5ex] \\quad\\color{orange}\\bm{\\downarrow}\\quad\\color{black} \\\\[1.5ex] f'(x)=-\\text{sen}(x)\\\\[2ex] \\quad\\color{orange}\\bm{\\downarrow}\\quad\\color{black} \\\\[1.5ex] f''(x)=-\\text{cos}(x)\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"157\" width=\"132\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc774 \uc18d\uc131\uc740 \ucf54\uc0ac\uc778 \uc778\uc218\uac00 x\uac00 \uc544\ub2cc \uacbd\uc6b0 \ubcc0\uacbd\ub429\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \uccb4\uc778 \uaddc\uce59\uc758 \ud56d\uc744 \ub4dc\ub798\uadf8\ud558\uae30 \ub54c\ubb38\uc785\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-83d86bd6508f06b0723153b3b9254c1f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}f(x)=\\text{cos}(u)\\\\[1.5ex] \\quad\\color{orange}\\bm{\\downarrow}\\quad\\color{black} \\\\[1.5ex] f'(x)=-\\text{sen}(u)\\cdot u' \\\\[1.5ex] \\quad\\color{orange}\\bm{\\downarrow}\\quad\\color{black} \\\\[1.5ex] f''(x)=-\\text{cos}(u)\\cdot u'^2 -\\text{sen}(u)\\cdot u'' \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"153\" width=\"263\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"derivada-del-coseno-inverso\"><\/span> \uc5ed\ucf54\uc0ac\uc778\uc758 \ubbf8\ubd84<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ubaa8\ub4e0 \uc0bc\uac01\ud568\uc218\ub294 \uc5ed\ud568\uc218\ub97c \uac00\uc9c0\ubbc0\ub85c \ucf54\uc0ac\uc778 \ud568\uc218\ub3c4 \uc5ed\ud568\uc218\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc5ed\ucf54\uc0ac\uc778\uc740 \ubbf8\ubd84 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<p> \ud568\uc218 <strong>\uc758 \uc5ed\ucf54\uc0ac\uc778\uc758 \ub3c4\ud568\uc218\ub294<\/strong> \ud568\uc218\uc758 \ub3c4\ud568\uc218\ub97c 1\uc758 \uc81c\uacf1\uadfc\uc5d0\uc11c \ud574\ub2f9 \ud568\uc218\uc758 \uc81c\uacf1\uc744 \ube80 \uac12\uc73c\ub85c \ub098\ub208 \uac12\uc785\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-307f91156ee9c404e9c1a1c0de56b102_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}^{-1}(u) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\cfrac{u'}{\\sqrt{1-u^2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"425\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p> \uc5ed\ucf54\uc0ac\uc778\uc740 \uc544\ud06c\ucf54\uc0ac\uc778\uc774\ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n<p> \uc608\ub97c \ub4e4\uc5b4, 3x\uc758 \uc5ed\ucf54\uc0ac\uc778\uc758 \ubbf8\ubd84\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-7ce426dcd95d21e43b182ef593520c16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos}^{-1}(3x) \\quad\\color{orange}\\bm{\\longrightarrow}\\quad\\color{black} f'(x)=-\\cfrac{3}{\\sqrt{1-(3x)^2}}=-\\cfrac{3}{\\sqrt{1-9x^2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"46\" width=\"571\" style=\"vertical-align: -20px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-la-derivada-del-coseno\"><\/span> \ucf54\uc0ac\uc778\uc758 \ubbf8\ubd84\uc5d0 \ub300\ud55c \ud574\uacb0 \uc5f0\uc2b5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ub2e4\uc74c \ucf54\uc0ac\uc778 \ud568\uc218\uc758 \ubbf8\ubd84\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-c1caebbb3b9acfa8cd25721299f9a22e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A) } f(x)=\\text{cos}(4x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"140\" 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-a89d6e415addae7423aa75362416686b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B) } f(x)=\\text{cos}(2x^3-5x+1)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"218\" 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-dad34285ad7ac07f34ef408c65cbb96c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C) } \\displaystyle f(x)=9\\text{cos}\\left(\\frac{x}{3}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"152\" 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-752bff297c20cdf69d6fcb45290be935_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{D) } f(x)=\\text{cos}^5(x^2+3x)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"187\" 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-939dee8bcafba3f55812c5a13f27a309_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{E) } f(x)=\\text{cos}\\left(e^{5x}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"148\" style=\"vertical-align: -7px;\"><\/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-f6c7c3c5786d010b99f4e65b692dfe1d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{F) } \\displaystyle f(x)=9\\text{cos}\\left(\\frac{e^x}{5x}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"164\" style=\"vertical-align: -17px;\"><\/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__E6F9EF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E6F9EF\" 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-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8a3e1b1b2fe486d1c432a075c0028b62_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A) } f'(x)=-\\text{sen}(4x)\\cdot 4 =-4\\text{sen}(4x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"285\" 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-8bc2f2e1676bb5f0d4ca231bd35b2b12_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B) } f'(x)=-\\text{sen}(2x^3-5x+1)\\cdot (6x^2-5)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"321\" 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-cc5cf86d30b34d4cd1a794a4d2ee6a5e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C) } \\displaystyle f'(x)=-9\\text{sen}\\left(\\frac{x}{3}\\right)\\cdot \\frac{1}{3} =-3\\text{sen}\\left(\\frac{x}{3}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"306\" 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-f168f2e897b18c662f567a25ff09e881_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{D) } f'(x)=-5\\text{cos}^4(x^2+3x)\\cdot \\text{sen}(x^2+3x)\\cdot (2x+3)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"401\" 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-fe49736d7a1ce1736679e8c25bc4a66b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{E) } f'(x)=-\\text{sen}\\left(e^{5x}\\right)\\cdot e^{5x}\\cdot 5=-5\\text{sen}\\left(e^{5x}\\right)\\cdot e^{5x}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"377\" style=\"vertical-align: -7px;\"><\/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-9f4645fb77435daec6f696cffbd54884_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\text{F) }\\displaystyle f'(x)&amp;=-9\\text{sen}\\left(\\frac{e^x}{5x}\\right)\\cdot \\frac{e^x\\cdot 5x-e^x\\cdot 5}{(5x)^2}\\\\[2ex]&amp;=-9\\text{sen}\\left(\\frac{e^x}{5x}\\right)\\cdot \\frac{5e^x(x-1)}{25x^2}\\\\[2ex]&amp;=-9\\text{sen}\\left(\\frac{e^x}{5x}\\right)\\cdot \\frac{e^x(x-1)}{5x^2}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"172\" width=\"310\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"demostracion-de-la-derivada-del-coseno\"><\/span> \ucf54\uc0ac\uc778 \ud30c\uc0dd\ubb3c\uc758 \uc99d\uba85<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ub9c8\uc9c0\ub9c9\uc73c\ub85c x\uc758 \ucf54\uc0ac\uc778 \ub3c4\ud568\uc218 \uacf5\uc2dd\uc744 \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ub2e4\uc74c \uadf9\ud55c\uc5d0 \ud574\ub2f9\ud558\ub294 \ubbf8\ubd84\uc758 \uc815\uc758\ub97c \uc0ac\uc6a9\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-dc1699622d128f888c1f20599aeccf60_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f'(x)=\\lim_{h \\to 0}\\frac{f(x+h)-f(x)}{h}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"219\" style=\"vertical-align: -13px;\"><\/p>\n<\/p>\n<p> \uc6b0\ub9ac\ub294 \ucf54\uc0ac\uc778\uc744 \uc99d\uba85\ud560 \uac83\uc774\ubbc0\ub85c \ud568\uc218\ub294 cos(x)\uc785\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-a00c11698e4b4f5caf0f227e18be8656_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f'(x)=\\lim_{h \\to 0}\\frac{\\text{cos}(x+h)-\\text{cos}(x)}{h}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"245\" style=\"vertical-align: -13px;\"><\/p>\n<\/p>\n<p> \uacb0\uad6d \ubd88\ud655\uc815 \uc0c1\ud0dc\uac00 \ub418\uae30 \ub54c\ubb38\uc5d0 \ub300\uccb4\ub97c \ud1b5\ud574 \uc774 \uc81c\ud55c\uc744 \ud574\uacb0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub2e4\uc74c \uc0bc\uac01\ubc95 \ud56d\ub4f1\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \ud569\uc758 \ucf54\uc0ac\uc778\uc744 \ub2e4\ub978 \ubc29\uc2dd\uc73c\ub85c \ud45c\ud604\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-5e06f1728cce31fb5650ba149b8e5b9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{cos}(a+b)=\\text{cos}(a)\\text{cos}(b)-\\text{sen}(a)\\text{sen}(b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"307\" 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-db64449e24b11a613417ebce4c7c7a85_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f'(x)=\\lim_{h \\to 0}\\frac{\\text{cos}(x)\\text{cos}(h)-\\text{sen}(x)\\text{sen}(h)-\\text{cos}(x)}{h}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"380\" style=\"vertical-align: -13px;\"><\/p>\n<\/p>\n<p> \ub2e4\uc74c \ub2e8\uacc4\ub294 \ubd84\uc218\ub97c \ub450 \uac1c\uc758 \ubd84\uc218\ub85c \ubd84\ub9ac\ud558\uace0 \ucf54\uc0ac\uc778\uc758 \uacf5\ud1b5 \uc778\uc218\ub97c \ucde8\ud558\ub294 \uac83\uc785\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-c7c1cd89cf290b01d7d72fc8084f6529_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f'(x)=\\lim_{h \\to 0}\\left[\\frac{\\text{cos}(x)\\bigl(\\text{cos}(h)-1\\bigr)}{h}-\\frac{\\text{sen}(x)\\text{sen}(h)}{h}\\right]\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"380\" style=\"vertical-align: -23px;\"><\/p>\n<\/p>\n<p> \ube84\uc148\uc758 \uadf9\ud55c\uc740 \uadf9\ud55c\uc758 \ube84\uc148\uacfc \uac19\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c:<\/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-739fc9a2280c7da1bf2ea830ee5ec88c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f'(x)=\\lim_{h \\to 0}\\frac{\\text{cos}(x)\\bigl(\\text{cos}(h)-1\\bigr)}{h}-\\lim_{h \\to 0}\\frac{\\text{sen}(x)\\text{sen}(h)}{h}\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"393\" style=\"vertical-align: -13px;\"><\/p>\n<\/p>\n<p> x\uc758 \ucf54\uc0ac\uc778\uacfc x\uc758 \uc0ac\uc778\uc740 h\uc5d0 \uc758\uc874\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c \ubc94\uc704 \ubc16\uc73c\ub85c \ucd94\ucd9c\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-bfbc83e5a84d91a0f6d98418a4f0041c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f'(x)=\\text{cos}(x)\\lim_{h \\to 0}\\frac{\\text{cos}(h)-1}{h}-\\text{sen}(x)\\lim_{h \\to 0}\\frac{\\text{sen}(h)}{h}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"383\" style=\"vertical-align: -13px;\"><\/p>\n<\/p>\n<p> \ubb34\ud55c\uc18c \ub4f1\uac00\ubb3c\uc5d0 \uc758\ud55c \uadf9\ud55c \uacc4\uc0b0\uc744 \uc0ac\uc6a9\ud558\uc5ec \uccab \ubc88\uc9f8 \uadf9\ud55c\uc740 0\uc774\uace0 \ub450 \ubc88\uc9f8 \uadf9\ud55c\uc740 1\uc774\ub77c\uace0 \uacb0\ub860\uc744 \ub0b4\ub9bd\ub2c8\ub2e4. \ub530\ub77c\uc11c:<\/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-f0c2ed1188b80356d05d6188fab5ca47_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f'(x)=\\text{cos}(x)\\cdot 0-\\text{sen}(x)\\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"223\" 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-9f33ae6c9b18e01ba654772f22cab6d7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f'(x)=-\\text{sen}(x)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"124\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uadf8\ub9ac\uace0 \uc6b0\ub9ac\ub294 \uc774\ubbf8 \ucf54\uc0ac\uc778 \ud568\uc218\uc758 \ubbf8\ubd84 \uacf5\uc2dd\uc5d0 \ub3c4\ub2ec\ud588\uc73c\ubbc0\ub85c \ub3d9\ub4f1\uc131\uc774 \uc785\uc99d\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc5ec\uae30\uc5d0\uc11c\ub294 \ucf54\uc0ac\uc778 \ud568\uc218(\uacf5\uc2dd)\ub97c \uc720\ub3c4\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubd05\ub2c8\ub2e4. \ucf54\uc0ac\uc778 \ud568\uc218\uc758 \ubbf8\ubd84 \uc608\ub97c \ud655\uc778\ud558\uace0 \ub2e8\uacc4\ubcc4 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \ucf54\uc0ac\uc778\uc758 2\ucc28 \ub3c4\ud568\uc218\ub294 \ubb34\uc5c7\uc778\uc9c0, \uc2ec\uc9c0\uc5b4 \uc5ed\ucf54\uc0ac\uc778\uc758 \ub3c4\ud568\uc218\ub294 \ubb34\uc5c7\uc778\uc9c0\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc758 \uc99d\uba85\ub3c4 \ubcf4\uc5ec\ub4dc\ub9bd\ub2c8\ub2e4. \ucf54\uc0ac\uc778\uc758 \ubbf8\ubd84\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ucf54\uc0ac\uc778 \ud568\uc218\uc758 \ubbf8\ubd84\uc740 \ubd80\ud638 \uc218\uc815\ub41c \uc0ac\uc778 \ud568\uc218\uc785\ub2c8\ub2e4. \uc989, x\uc758 \ucf54\uc0ac\uc778\uc758 \ub3c4\ud568\uc218\ub294 x\uc758 \uc0ac\uc778\uc744 \ube80 \uac12\uacfc \uac19\uc2b5\ub2c8\ub2e4. \ucf54\uc0ac\uc778 \uc778\uc218\uc5d0 \ud568\uc218\uac00 \uc788\ub294 \uacbd\uc6b0 \ucf54\uc0ac\uc778\uc758 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%ec%bd%94%ec%82%ac%ec%9d%b8%ec%97%90%ec%84%9c-%ec%9c%a0%eb%9e%98\/\"> <span class=\"screen-reader-text\">\ucf54\uc0ac\uc778 \ud30c\uc0dd \uc0c1\ud488<\/span> \ub354 \ubcf4\uae30 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