{"id":363,"date":"2023-07-04T16:49:36","date_gmt":"2023-07-04T16:49:36","guid":{"rendered":"https:\/\/mathority.org\/ar\/%d9%88%d8%b8%d9%8a%d9%81%d8%a9-%d8%ac%d9%8a%d8%a8-%d8%a7%d9%84%d8%aa%d9%85%d8%a7%d9%85\/"},"modified":"2023-07-04T16:49:36","modified_gmt":"2023-07-04T16:49:36","slug":"%d9%88%d8%b8%d9%8a%d9%81%d8%a9-%d8%ac%d9%8a%d8%a8-%d8%a7%d9%84%d8%aa%d9%85%d8%a7%d9%85","status":"publish","type":"post","link":"https:\/\/mathority.org\/ar\/%d9%88%d8%b8%d9%8a%d9%81%d8%a9-%d8%ac%d9%8a%d8%a8-%d8%a7%d9%84%d8%aa%d9%85%d8%a7%d9%85\/","title":{"rendered":"\u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645"},"content":{"rendered":"<p style=\";text-align:right;direction:rtl\">\u0633\u062a\u062c\u062f \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0635\u0641\u062d\u0629 \u0643\u0644 \u0634\u064a\u0621 \u0639\u0646 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645: \u0645\u0627 \u0647\u064a\u060c \u0645\u0627 \u0647\u064a \u0635\u064a\u063a\u062a\u0647\u0627\u060c \u0648\u0643\u064a\u0641\u064a\u0629 \u062a\u0645\u062b\u064a\u0644\u0647\u0627 \u0641\u064a \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u064a\u060c \u0648\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062f\u0627\u0644\u0629\u060c \u0648\u0627\u0644\u0633\u0639\u0629\u060c \u0648\u0627\u0644\u0641\u062a\u0631\u0629\u060c \u0648\u0645\u0627 \u0625\u0644\u0649 \u0630\u0644\u0643. \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u0633\u0648\u0641 \u062a\u0643\u0648\u0646 \u0642\u0627\u062f\u0631\u064b\u0627 \u0639\u0644\u0649 \u0631\u0624\u064a\u0629 \u0623\u0645\u062b\u0644\u0629 \u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u0648\u0638\u0627\u0626\u0641 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0644\u0641\u0647\u0645 \u0627\u0644\u0645\u0641\u0647\u0648\u0645 \u0628\u0634\u0643\u0644 \u0643\u0627\u0645\u0644. \u062d\u062a\u0649 \u0623\u0646\u0647 \u064a\u0634\u0631\u062d \u0646\u0638\u0631\u064a\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0648\u0627\u0644\u0639\u0644\u0627\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0631\u0628\u0637 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0628\u0627\u0644\u0646\u0633\u0628 \u0627\u0644\u0645\u062b\u0644\u062b\u064a\u0629 \u0627\u0644\u0623\u062e\u0631\u0649. <\/p>\n<div class=\"wp-block-image\" style=\";text-align:right;direction:rtl\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exemples-de-fonctions-cosinus.webp\" alt=\"\u0623\u0645\u062b\u0644\u0629 \u0639\u0644\u0649 \u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645\" class=\"wp-image-289\" width=\"766\" height=\"331\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"formula-de-la-funcion-coseno\"><\/span> \u0635\u064a\u063a\u0629 \u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div style=\"background:linear-gradient(to bottom, #FFFFFF 0%, #FFE0B2 100%); padding-top: 23px; padding-bottom: 0.5px; padding-right: 30px; padding-left: 30px; border: 2px dashed #FF9B28; border-radius:20px;;text-align:right;direction:rtl\">\n<p style=\"text-align:left;text-align:right;direction:rtl\"> <strong>\u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645<\/strong> \u0644\u0644\u0632\u0627\u0648\u064a\u0629 \u03b1 \u0647\u064a \u062f\u0627\u0644\u0629 \u0645\u062b\u0644\u062b\u064a\u0629 \u064a\u062a\u0645 \u062a\u0639\u0631\u064a\u0641 \u0635\u064a\u063a\u062a\u0647\u0627 \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u0627\u0644\u0646\u0633\u0628\u0629 \u0628\u064a\u0646 \u0627\u0644\u0633\u0627\u0642 \u0627\u0644\u0645\u062a\u062c\u0627\u0648\u0631\u0629 (\u0623\u0648 \u0627\u0644\u0645\u062c\u0627\u0648\u0631\u0629) \u0648\u0627\u0644\u0648\u062a\u0631 \u0641\u064a \u0627\u0644\u0645\u062b\u0644\u062b \u0627\u0644\u0642\u0627\u0626\u0645 (\u0627\u0644\u0645\u062b\u0644\u062b \u0630\u0648 \u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0627\u0644\u0642\u0627\u0626\u0645\u0629). <\/p>\n<\/div>\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-159\" style=\";text-align:right;direction:rtl\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow\" style=\";text-align:right;direction:rtl\">\n<div class=\"wp-block-image\" style=\";text-align:right;direction:rtl\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/quelle-est-la-formule-de-la-fonction-cosinus.webp\" alt=\"\u0645\u0627 \u0647\u064a \u0635\u064a\u063a\u0629 \u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645\" class=\"wp-image-290\" width=\"279\" height=\"66\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<\/div>\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow\" style=\";text-align:right;direction:rtl\">\n<div class=\"wp-block-image\" style=\";text-align:right;direction:rtl\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/fonctions-trigonometriques.webp\" alt=\"\u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u0648 \u0648\u0638\u064a\u0641\u0629 \u0645\u062b\u0644\u062b\u064a\u0629\" class=\"wp-image-277\" width=\"233\" height=\"159\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<p style=\";text-align:right;direction:rtl\"> \u064a\u064f\u0633\u0645\u0649 \u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u0648\u0638\u0627\u0626\u0641 \u0627\u0644\u0631\u064a\u0627\u0636\u064a\u0629 \u0623\u064a\u0636\u064b\u0627 \u0628\u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0623\u0648 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0623\u0648 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u064a \u0648\u0627\u062d\u062f\u0629 \u0645\u0646 \u0623\u0641\u0636\u0644 \u062b\u0644\u0627\u062b \u0646\u0633\u0628 \u0645\u062b\u0644\u062b\u064a\u0629 \u0645\u0639\u0631\u0648\u0641\u0629\u060c \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u062c\u064a\u0628 \u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0648\u0638\u0644\u0647\u0627. <\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"valores-caracteristicos-de-la-funcion-coseno\"><\/span> \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0644\u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u062a\u062a\u0643\u0631\u0631 \u0628\u0639\u0636 \u0627\u0644\u0632\u0648\u0627\u064a\u0627 \u0628\u0634\u0643\u0644 \u0645\u062a\u0643\u0631\u0631\u060c \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0645\u0646 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0645\u0639\u0631\u0641\u0629 \u0642\u064a\u0645\u0629 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0639\u0646\u062f \u0647\u0630\u0647 \u0627\u0644\u0632\u0648\u0627\u064a\u0627: <\/p>\n<div class=\"wp-block-image\" style=\";text-align:right;direction:rtl\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/valeurs-caracteristiques-fonction-cosinus.webp\" alt=\"\u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0644\u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645\" class=\"wp-image-291\" width=\"719\" height=\"190\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p style=\";text-align:right;direction:rtl\"> \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u0641\u0625\u0646 \u0625\u0634\u0627\u0631\u0629 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u0631\u0628\u0639 \u0627\u0644\u0630\u064a \u062a\u0642\u0639 \u0641\u064a\u0647 \u0627\u0644\u0632\u0627\u0648\u064a\u0629: \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0632\u0627\u0648\u064a\u0629 \u0641\u064a \u0627\u0644\u0631\u0628\u0639 \u0627\u0644\u0623\u0648\u0644 \u0623\u0648 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class=\"wp-image-292\" width=\"284\" height=\"276\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"representacion-grafica-de-la-funcion-coseno\"><\/span> \u062a\u0645\u062b\u064a\u0644 \u0631\u0633\u0648\u0645\u064a \u0644\u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062c\u062f\u0648\u0644 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0630\u064a \u0631\u0623\u064a\u0646\u0627\u0647 \u0641\u064a \u0627\u0644\u0642\u0633\u0645 \u0627\u0644\u0633\u0627\u0628\u0642\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0631\u0633\u0645 \u0628\u064a\u0627\u0646\u064a \u0644\u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645. \u0648\u0628\u0631\u0633\u0645 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\u062a\u0643\u0648\u0646 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u064a\u0646 +1 \u0648 -1\u060c \u0623\u064a \u0623\u0646\u0647\u0627 \u0645\u062d\u062f\u062f\u0629 \u0645\u0646 \u0627\u0644\u0623\u0639\u0644\u0649 \u0628\u0640 +1 \u0648\u0645\u0646 \u0627\u0644\u0623\u0633\u0641\u0644 \u0628\u0640 -1. \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u062a\u062a\u0643\u0631\u0631 \u0627\u0644\u0642\u064a\u0645 \u0643\u0644 360 \u062f\u0631\u062c\u0629 (2\u03c0 \u0631\u0627\u062f\u064a\u0627\u0646)\u060c \u0644\u0630\u0627 \u0641\u0647\u064a <strong>\u062f\u0627\u0644\u0629 \u062f\u0648\u0631\u064a\u0629<\/strong> \u062f\u0648\u0631\u062a\u0647\u0627 360 \u062f\u0631\u062c\u0629.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0645\u0646 \u0646\u0627\u062d\u064a\u0629 \u0623\u062e\u0631\u0649\u060c \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u064a \u0646\u0642\u062f\u0631 \u062a\u0645\u0627\u0645\u064b\u0627 \u0623\u0646 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0645\u062a\u0633\u0627\u0648\u064a\u0629\u060c \u0644\u0623\u0646 \u0639\u0646\u0627\u0635\u0631\u0647\u0627 \u0627\u0644\u0645\u062a\u0642\u0627\u0628\u0644\u0629 \u0644\u0647\u0627 \u0646\u0641\u0633 \u0627\u0644\u0635\u0648\u0631\u0629\u060c \u0623\u064a \u0623\u0646\u0647\u0627 \u0645\u062a\u0645\u0627\u062b\u0644\u0629 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u062d\u0648\u0631 \u0627\u0644\u0643\u0645\u0628\u064a\u0648\u062a\u0631 (\u0627\u0644\u0645\u062d\u0648\u0631 Y). \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u062c\u064a\u0628 \u062a\u0645\u0627\u0645 90 \u062f\u0631\u062c\u0629 \u0647\u0648 0 \u0648 -90 \u062f\u0631\u062c\u0629 \u0647\u0648 0.<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"propiedades-de-la-funcion-coseno\"><\/span> \u062e\u0635\u0627\u0626\u0635 \u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u062a\u062a\u0645\u064a\u0632 \u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0628\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0645\u062c\u0627\u0644 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u0648 \u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u0639\u062f\u0627\u062f \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629\u060c \u0644\u0623\u0646\u0647\u060c \u0643\u0645\u0627 \u064a\u0648\u0636\u062d \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u064a\u060c \u062a\u0648\u062c\u062f \u0627\u0644\u062f\u0627\u0644\u0629 \u0644\u0623\u064a \u0642\u064a\u0645\u0629 \u0644\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u062a\u0642\u0644 x.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0cd1539b66edeb38040ed80168e1fd9b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{Dom } f = \\mathbb{R}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"90\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0645\u0633\u0627\u0631 \u0623\u0648 \u0646\u0637\u0627\u0642 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u0648 \u0645\u0646 \u0633\u0627\u0644\u0628 1 \u0625\u0644\u0649 \u0645\u0648\u062c\u0628 1 (\u0643\u0644\u0627\u0647\u0645\u0627 \u0634\u0627\u0645\u0644\u0627\u064b).<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e482af9546623edf3132cf9076a0a2d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{Im } f= [-1,1]\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"109\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0625\u0646\u0647\u0627 \u062f\u0627\u0644\u0629 \u0645\u0633\u062a\u0645\u0631\u0629 \u0648\u0632\u0648\u062c\u064a\u0629 \u0628\u062f\u0648\u0631\u064a\u0629 2\u03c0.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-73d05981a1aa8f4e0582314e95d39e41_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{cos }x = \\text{cos}(-x)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"124\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u062f\u0648\u0627\u0644 \u0627\u0644\u0645\u062b\u0644\u062b\u064a\u0629 \u0644\u0647 \u0646\u0642\u0637\u0629 \u062a\u0642\u0627\u0637\u0639 \u0648\u0627\u062d\u062f\u0629 \u0645\u0639 \u0645\u062d\u0648\u0631 OY \u0639\u0646\u062f \u0627\u0644\u0646\u0642\u0637\u0629 (0\u060c1).<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dd01415f329053c1a450867378fc1582_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"38\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0630\u0644\u0643\u060c \u0641\u0625\u0646\u0647 \u064a\u0639\u062a\u0631\u0636 \u0628\u0634\u0643\u0644 \u062f\u0648\u0631\u064a \u0627\u0644\u0625\u062d\u062f\u0627\u062b\u064a \u0627\u0644\u0633\u064a\u0646\u064a (\u0627\u0644\u0645\u062d\u0648\u0631 X) \u0639\u0646\u062f \u0625\u062d\u062f\u0627\u062b\u064a\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u0641\u0631\u062f\u064a\u0629 \u0644\u0645\u062a\u0648\u0633\u0637 pi.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fd7154018fa3a27e9ef05fbd795c0ab0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{\\pi}{2}+k\\pi ,0\\right) \\qquad k \\in \\mathbb{Z}\" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"174\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u064a\u062d\u062f\u062b \u0639\u0646\u062f\u0645\u0627:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-afd30b6f4068ae25bcf6f5c3c5383b49_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x = 2\\pi k \\qquad k \\in \\mathbb{Z}\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"142\" style=\"vertical-align: -1px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0648\u0639\u0644\u0649 \u0627\u0644\u0639\u0643\u0633 \u0645\u0646 \u0630\u0644\u0643\u060c \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u064a\u062d\u062f\u062b \u0641\u064a:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-36b69eacefd39b7629ec6390f9aa2534_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x = \\pi(2k +1 ) \\qquad k \\in \\mathbb{Z}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"186\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0645\u0634\u062a\u0642 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u0648 \u0627\u0644\u062c\u064a\u0628 \u0645\u0639 \u062a\u063a\u064a\u064a\u0631 \u0639\u0644\u0627\u0645\u062a\u0647:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b95627ad9c9def0c5067ac09d10a2e6e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=\\text{cos } x \\ \\longrightarrow \\ f'(x)= -\\text{sen } x\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"265\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0648\u0623\u062e\u064a\u0631\u064b\u0627\u060c \u062a\u0643\u0627\u0645\u0644 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u0648 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645: <\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-24ca02414a475f41f1834c4e98945f5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\int \\text{cos } x \\ dx= \\text{sen } x + C\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"186\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"periodo-y-amplitud-de-la-funcion-coseno\"><\/span> \u0627\u0644\u0641\u062a\u0631\u0629 \u0648\u0633\u0639\u0629 \u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u0648\u0643\u0645\u0627 \u0631\u0623\u064a\u0646\u0627 \u0641\u064a \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u064a \u0627\u0644\u062e\u0627\u0635 \u0628\u0647\u060c \u0641\u0625\u0646 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u064a \u062f\u0627\u0644\u0629 \u062f\u0648\u0631\u064a\u0629\u060c \u0623\u064a \u0623\u0646 \u0642\u064a\u0645\u0647\u0627 \u062a\u062a\u0643\u0631\u0631 \u0628\u062a\u0643\u0631\u0627\u0631. \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0642\u0635\u0648\u0649 \u0648\u0627\u0644\u062f\u0646\u064a\u0627 \u0627\u0644\u062a\u064a \u062a\u062a\u0623\u0631\u062c\u062d \u0628\u064a\u0646\u0647\u0627 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u062a\u0633\u0627\u0639\u0647\u0627. \u0644\u0630\u0644\u0643\u060c \u0647\u0646\u0627\u0643 \u062e\u0627\u0635\u064a\u062a\u0627\u0646 \u0645\u0647\u0645\u062a\u0627\u0646 \u062a\u062d\u062f\u062f\u0627\u0646 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u0645\u0627 \u062f\u0648\u0631\u062a\u0647\u0627 \u0648\u0633\u0639\u0629\u0647\u0627:<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5d7700fc10f642ba455e6ed144d6d920_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f(x)= A\\text{cos}(wx)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"131\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <strong>\u0641\u062a\u0631\u0629<\/strong> \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0647\u064a \u0627\u0644\u0645\u0633\u0627\u0641\u0629 \u0628\u064a\u0646 \u0646\u0642\u0637\u062a\u064a\u0646 \u064a\u062a\u0643\u0631\u0631 \u0639\u0646\u062f\u0647\u0645\u0627 \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u064a \u0648\u064a\u062a\u0645 \u062d\u0633\u0627\u0628\u0647\u0627 \u0628\u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d7fb20df076d5a234a762eddb6296460_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{Periodo}=T=\\cfrac{2\\pi}{w}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"141\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0625\u0646 <strong>\u062d\u062c\u0645<\/strong> \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u064a\u0639\u0627\u062f\u0644 \u0627\u0644\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0623\u0645\u0627\u0645 \u062d\u062f \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fa2caa412704d15a278c5d8a0f1773d3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{Amplitud}=A\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"111\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u064a\u0645\u0643\u0646\u0643 \u0623\u062f\u0646\u0627\u0647 \u0631\u0624\u064a\u0629 \u0631\u0633\u0645 \u0628\u064a\u0627\u0646\u064a \u064a\u0648\u0636\u062d \u062a\u0623\u062b\u064a\u0631\u0627\u062a \u062a\u063a\u064a\u064a\u0631 \u0627\u0644\u0641\u062a\u0631\u0629 \u0623\u0648 \u0627\u0644\u0633\u0639\u0629: <\/p>\n<div class=\"wp-block-image\" style=\";text-align:right;direction:rtl\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exemples-de-fonctions-cosinus.webp\" alt=\"\u0623\u0645\u062b\u0644\u0629 \u0639\u0644\u0649 \u0648\u0638\u064a\u0641\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645\" class=\"wp-image-289\" width=\"802\" height=\"347\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p style=\";text-align:right;direction:rtl\"> \u0641\u064a \u0627\u0644\u062f\u0627\u0644\u0629 \u0627\u0644\u0645\u0648\u0636\u062d\u0629 \u0628\u0627\u0644\u0644\u0648\u0646 \u0627\u0644\u0623\u062e\u0636\u0631\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u0646 \u0646\u0631\u0649 \u0623\u0646\u0647 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0645\u0636\u0627\u0639\u0641\u0629 \u0627\u0644\u0633\u0639\u0629\u060c \u062a\u0646\u062a\u0642\u0644 \u0627\u0644\u062f\u0627\u0644\u0629 \u0645\u0646 +2 \u0625\u0644\u0649 -2\u060c \u0628\u062f\u0644\u0627\u064b \u0645\u0646 +1 \u0625\u0644\u0649 -1. \u0645\u0646 \u0646\u0627\u062d\u064a\u0629 \u0623\u062e\u0631\u0649\u060c \u0641\u064a \u0627\u0644\u062f\u0627\u0644\u0629 \u0627\u0644\u0645\u0648\u0636\u062d\u0629 \u0628\u0627\u0644\u0644\u0648\u0646 \u0627\u0644\u0623\u062d\u0645\u0631\u060c \u064a\u0645\u0643\u0646\u0643 \u0623\u0646 \u062a\u0631\u0649 \u0643\u064a\u0641 \u0623\u0646\u0647\u0627 \u062a\u0633\u064a\u0631 \u0628\u0633\u0631\u0639\u0629 \u0645\u0636\u0627\u0639\u0641\u0629 \u0645\u062b\u0644 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 &#8220;\u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629&#8221;\u060c \u062d\u064a\u062b \u062a\u0645 \u062a\u062e\u0641\u064a\u0636 \u062f\u0648\u0631\u0647\u0627 \u0625\u0644\u0649 \u0627\u0644\u0646\u0635\u0641.<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"teorema-del-coseno\"><\/span> \u0646\u0638\u0631\u064a\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0635\u064a\u063a\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u062a\u0633\u062a\u062e\u062f\u0645 \u0639\u0627\u062f\u0629\u064b \u0641\u064a \u0627\u0644\u0645\u062b\u0644\u062b\u0627\u062a \u0627\u0644\u0642\u0627\u0626\u0645\u0629\u060c \u0625\u0644\u0627 \u0623\u0646 \u0647\u0646\u0627\u0643 \u0623\u064a\u0636\u064b\u0627 \u0646\u0638\u0631\u064a\u0629 \u064a\u0645\u0643\u0646 \u062a\u0637\u0628\u064a\u0642\u0647\u0627 \u0639\u0644\u0649 \u0623\u064a \u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u0645\u062b\u0644\u062b\u0627\u062a: \u0646\u0638\u0631\u064a\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0623\u0648 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u062a\u0631\u0628\u0637 <strong>\u0646\u0638\u0631\u064a\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645<\/strong> \u0628\u064a\u0646 \u0623\u0636\u0644\u0627\u0639 \u0648\u0632\u0648\u0627\u064a\u0627 \u0623\u064a \u0645\u062b\u0644\u062b \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n<div class=\"wp-block-image\" style=\";text-align:right;direction:rtl\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/theoreme-des-sinus-ou-des-sinus.webp\" alt=\"\" class=\"wp-image-281\" width=\"188\" height=\"136\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bc98603a3dca4ccd66aa95e0b9012313_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a^2=b^2+c^2-2\\cdot b \\cdot c\\cdot \\text{cos }\\alpha\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"218\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dadb264e4d51fe54c8bab49844451a6a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b^2=a^2+c^2-2\\cdot a \\cdot c\\cdot \\text{cos }\\beta\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"220\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-106b89d1c682a376ffe407061c1cf6b4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"c^2=a^2+b^2-2\\cdot a \\cdot b\\cdot \\text{cos }\\gamma\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"219\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"relaciones-de-la-funcion-coseno-con-otras-razones-trigonometricas\"><\/span> \u0639\u0644\u0627\u0642\u0627\u062a \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0628\u0627\u0644\u0646\u0633\u0628 \u0627\u0644\u0645\u062b\u0644\u062b\u064a\u0629 \u0627\u0644\u0623\u062e\u0631\u0649<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u062b\u0645 \u0644\u062f\u064a\u0643 \u0639\u0644\u0627\u0642\u0627\u062a \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0645\u0639 \u0627\u0644\u0646\u0633\u0628 \u0627\u0644\u0645\u062b\u0644\u062b\u064a\u0629 \u0627\u0644\u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629 \u0641\u064a \u0639\u0644\u0645 \u0627\u0644\u0645\u062b\u0644\u062b\u0627\u062a.<\/p>\n<h3 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"> \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0645\u0639 \u0627\u0644\u062b\u062f\u064a<\/h3>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u064a \u0644\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062c\u064a\u0628 \u064a\u0639\u0627\u062f\u0644 \u0645\u0646\u062d\u0646\u0649 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0648\u0644\u0643\u0646\u0647 \u062a\u062d\u0648\u0644\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-872406b5cba35c728fec57380ddc6571_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\frac{\\pi}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"11\" style=\"vertical-align: -12px;\"><\/p>\n<p> \u0639\u0644\u0649 \u0627\u0644\u064a\u0645\u064a\u0646\u060c \u064a\u0645\u0643\u0646 \u0628\u0627\u0644\u062a\u0627\u0644\u064a \u0631\u0628\u0637 \u0627\u0644\u0648\u0638\u064a\u0641\u062a\u064a\u0646 \u0628\u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0627\u0644\u062a\u0627\u0644\u064a:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b7c0174ac34e19bd5d5031a57511f3ab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{cos }\\alpha = \\text{sen}\\left(\\alpha + \\frac{\\pi}{2} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"159\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u064a\u0645\u0643\u0646\u0643 \u0623\u064a\u0636\u064b\u0627 \u0631\u0628\u0637 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0648\u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0628\u0627\u0644\u0647\u0648\u064a\u0629 \u0627\u0644\u0645\u062b\u0644\u062b\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-205d778d5fa04e4bd4a8543489c6f2f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}^2\\alpha + \\text{cos}^2\\alpha=1\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"140\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"> \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0645\u0639 \u0627\u0644\u0638\u0644<\/h3>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0635\u0639\u0648\u0628\u0629 \u0625\u062b\u0628\u0627\u062a\u0647\u060c \u0625\u0644\u0627 \u0623\u0646\u0647 \u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0639\u0646 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0625\u0644\u0627 \u0648\u0641\u0642\u064b\u0627 \u0644\u0644\u0638\u0644:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5f02ab2f30c72a36534ca72504b3f3bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{cos }\\alpha = \\pm \\cfrac{1}{\\sqrt{1+\\text{tg}^2\\alpha \\vphantom{\\bigl( }}}\" title=\"Rendered by QuickLaTeX.com\" height=\"56\" width=\"164\" style=\"vertical-align: -30px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"> \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0645\u0639 \u0627\u0644\u0642\u0627\u0637\u0639<\/h3>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0648\u0627\u0644\u0642\u0627\u0637\u0639 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0645\u0639\u0643\u0648\u0633\u0627\u062a \u0645\u0636\u0627\u0639\u0641\u0629:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d594068747a2bdf9e3825973cb563161_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{cos }\\alpha =  \\cfrac{1}{\\text{sec }\\alpha}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"108\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"> \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0645\u0639 \u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u0645\u0627\u0645<\/h3>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u064a\u0645\u0643\u0646 \u062d\u0644 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0628\u062d\u064a\u062b \u064a\u0639\u062a\u0645\u062f \u0641\u0642\u0637 \u0639\u0644\u0649 \u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u0645\u0627\u0645:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f5440750856c43de3a6c242335ff44a5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{cos }\\alpha =\\pm \\cfrac{\\sqrt{\\text{csc}^2\\alpha -1 } }{\\text{csc }\\alpha}\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"168\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"> \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0645\u0639 \u0638\u0644 \u0627\u0644\u062a\u0645\u0627\u0645<\/h3>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u064a\u0631\u062a\u0628\u0637 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0648\u0638\u0644 \u0627\u0644\u062a\u0645\u0627\u0645 \u0644\u0644\u0632\u0627\u0648\u064a\u0629 \u0628\u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f0646b8d7d5ee36eac5b6b1889022851_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{cos }\\alpha =\\pm \\cfrac{\\text{cot }\\alpha}{\\sqrt{1+\\text{cot}^2\\alpha \\vphantom{\\bigl( }}}\" title=\"Rendered by QuickLaTeX.com\" height=\"56\" width=\"172\" style=\"vertical-align: -30px;\"><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0633\u062a\u062c\u062f \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0635\u0641\u062d\u0629 \u0643\u0644 \u0634\u064a\u0621 \u0639\u0646 \u062f\u0627\u0644\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645: \u0645\u0627 \u0647\u064a\u060c \u0645\u0627 \u0647\u064a \u0635\u064a\u063a\u062a\u0647\u0627\u060c \u0648\u0643\u064a\u0641\u064a\u0629 \u062a\u0645\u062b\u064a\u0644\u0647\u0627 \u0641\u064a \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u064a\u060c \u0648\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062f\u0627\u0644\u0629\u060c \u0648\u0627\u0644\u0633\u0639\u0629\u060c \u0648\u0627\u0644\u0641\u062a\u0631\u0629\u060c \u0648\u0645\u0627 \u0625\u0644\u0649 \u0630\u0644\u0643. \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u0633\u0648\u0641 \u062a\u0643\u0648\u0646 \u0642\u0627\u062f\u0631\u064b\u0627 \u0639\u0644\u0649 \u0631\u0624\u064a\u0629 \u0623\u0645\u062b\u0644\u0629 \u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u0648\u0638\u0627\u0626\u0641 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 \u0644\u0641\u0647\u0645 \u0627\u0644\u0645\u0641\u0647\u0648\u0645 \u0628\u0634\u0643\u0644 \u0643\u0627\u0645\u0644. \u062d\u062a\u0649 \u0623\u0646\u0647 \u064a\u0634\u0631\u062d \u0646\u0638\u0631\u064a\u0629 \u062c\u064a\u0628 \u0627\u0644\u062a\u0645\u0627\u0645 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