{"id":1268,"date":"2025-01-20T06:59:22","date_gmt":"2025-01-20T03:59:22","guid":{"rendered":"https:\/\/currconv.ru\/blog\/2924-2\/"},"modified":"2025-01-20T06:59:22","modified_gmt":"2025-01-20T03:59:22","slug":"2924","status":"publish","type":"post","link":"https:\/\/currconv.ru\/blog\/2924\/","title":{"rendered":"\u041f\u0440\u0438\u043c\u0435\u0440 \u211627 \u0438\u0437 \u0437\u0430\u0434\u0430\u043d\u0438\u044f 6"},"content":{"rendered":"<div class=\"fpm_start\"><\/div>\n<p>\u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f <span class=\"katex-eq\" data-katex-display=\"false\">4\\cos4\\alpha<\/span>, \u0435\u0441\u043b\u0438 <span class=\"katex-eq\" data-katex-display=\"false\">\\sin2\\alpha=-0,4<\/span>.<\/p>\n<p><span id=\"more-2924\"><\/span><\/p>\n<hr class=\"wp-block-separator\" id=\"block-f2573dd7-f450-4c4c-84a3-4213d11a69c1\"\/>\n<h2 class=\"has-text-align-center wp-block-heading\" id=\"block-8a83fca7-55de-40fe-b45a-a479859ac319\"><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/h2>\n<p>\u0412\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0441\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u043e\u0439 \u043a\u043e\u0441\u0438\u043d\u0443\u0441\u0430 \u0434\u0432\u043e\u0439\u043d\u043e\u0433\u043e \u0443\u0433\u043b\u0430 <span class=\"katex-eq\" data-katex-display=\"false\">\\cos2x=1-2\\sin^2 x<\/span>. <\/p>\n<p>\u0412 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0432\u0438\u0434 <span class=\"katex-eq\" data-katex-display=\"false\">\\cos 4\\alpha=1-2\\sin^2 2\\alpha<\/span>.<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"true\">4(1-2\\sin^2 2\\alpha)=4(1-2\\cdot(-0,4)^2)=4\\cdot0,68=2,72<\/span>.<\/p>\n<p><strong>\u041e\u0442\u0432\u0435\u0442:<\/strong>&nbsp;<span class=\"katex-eq\" data-katex-display=\"false\">2,72<\/span>.<span class=\"MathJax_Preview\" style=\"display: none;\"><\/span><span class=\"MathJax\" id=\"MathJax-Element-3-Frame\" tabindex=\"0\" style=\"\"><nobr><span class=\"math\" id=\"MathJax-Span-19\" style=\"width: 3.115em; display: inline-block;\"><span style=\"display: inline-block; position: relative; width: 2.684em; height: 0px; font-size: 116%;\"><span style=\"position: absolute; clip: rect(1.583em, 1002.64em, 2.732em, -999.998em); top: -2.392em; left: 0em;\"><span style=\"display: inline-block; width: 0px; height: 2.397em;\"><\/span><\/span><\/span><span style=\"display: inline-block; overflow: hidden; vertical-align: -0.275em; border-left: 0px solid; width: 0px; height: 1.114em;\"><\/span><\/span><\/nobr><\/span><\/p>\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n<p><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a:<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong>  \u0415\u0413\u042d 2023 \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430. \u041f\u0440\u043e\u0444\u0438\u043b\u044c\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c. \u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u044d\u043a\u0437\u0430\u043c\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b. 36 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432 (\u0432\u0430\u0440\u0438\u0430\u043d\u0442 27) (<a href=\"https:\/\/my-shop.ru\/shop\/product\/4669631.html?partner=9541\" target=\"_blank\" rel=\"noreferrer noopener\">\u041a\u0443\u043f\u0438\u0442\u044c \u043a\u043d\u0438\u0433\u0443<\/a>)<\/p>\n<p><script data-noptimize=\"\" data-wpfc-render=\"false\">\nfpm_start( \"true\" );\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f 4\\cos4\\alpha, \u0435\u0441\u043b\u0438 \\sin2\\alpha=-0,4. \u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u0412\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0441\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u043e\u0439 \u043a\u043e\u0441\u0438\u043d\u0443\u0441\u0430 \u0434\u0432\u043e\u0439\u043d\u043e\u0433\u043e \u0443\u0433\u043b\u0430 \\cos2x=1-2\\sin^2 x. \u0412 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0432\u0438\u0434 \\cos 4\\alpha=1-2\\sin^2 2\\alpha. 4(1-2\\sin^2 2\\alpha)=4(1-2\\cdot(-0,4)^2)=4\\cdot0,68=2,72. \u041e\u0442\u0432\u0435\u0442:&nbsp;2,72. \u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a: \u0415\u0413\u042d 2023 \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430. \u041f\u0440\u043e\u0444\u0438\u043b\u044c\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c. \u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u044d\u043a\u0437\u0430\u043c\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b. 36 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432 (\u0432\u0430\u0440\u0438\u0430\u043d\u0442 27) (\u041a\u0443\u043f\u0438\u0442\u044c \u043a\u043d\u0438\u0433\u0443)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1268","post","type-post","status-publish","format-standard","hentry","category-zadanie6_profil"],"_links":{"self":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/1268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/comments?post=1268"}],"version-history":[{"count":0,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/1268\/revisions"}],"wp:attachment":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/media?parent=1268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/categories?post=1268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/tags?post=1268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}