{"id":230,"date":"2014-11-13T00:07:28","date_gmt":"2014-11-12T22:07:28","guid":{"rendered":"http:\/\/tutormathem.com\/formulas\/?p=230"},"modified":"2018-09-10T14:31:31","modified_gmt":"2018-09-10T11:31:31","slug":"prostejshie-trigonometricheskie-uravneniya","status":"publish","type":"post","link":"https:\/\/tutormathem.com\/formulas\/prostejshie-trigonometricheskie-uravneniya\/","title":{"rendered":"\u041f\u0420\u041e\u0421\u0422\u0415\u0419\u0428\u0418\u0415 \u0422\u0420\u0418\u0413\u041e\u041d\u041e\u041c\u0415\u0422\u0420\u0418\u0427\u0415\u0421\u041a\u0418\u0415 \u0423\u0420\u0410\u0412\u041d\u0415\u041d\u0418\u042f"},"content":{"rendered":"<h2><strong>\u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0438 \u0438\u0445 \u0440\u0435\u0448\u0435\u043d\u0438\u044f:<\/strong><\/h2>\n<p style=\"text-align: center;\"><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-5-56-13.5.jpg\"  ><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3591\" title=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" src=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-5-56-13.5.jpg\" alt=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" width=\"801\" height=\"316\" \/><\/a><\/noindex><\/p>\n<h3 style=\"text-align: justify;\">\u0423\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0410), \u0411), \u0421) &#8212; \u044d\u0442\u043e \u043f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0447\u0430\u0441\u0442\u043d\u044b\u043c\u0438 \u0441\u043b\u0443\u0447\u0430\u044f\u043c\u0438 \u0434\u043b\u044f \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u00a0\u0414), \u0435\u0441\u043b\u0438 \u0430=0, \u0430=1, \u0430=-1.<\/h3>\n<p style=\"text-align: center;\"><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-5-56-30.7.jpg\"  ><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3592\" title=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" src=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-5-56-30.7.jpg\" alt=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" width=\"801\" height=\"333\" \/><\/a><\/noindex><\/p>\n<p style=\"text-align: center;\"><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-17-13.2.jpg\"  ><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3595\" title=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" src=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-17-13.2.jpg\" alt=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" width=\"808\" height=\"268\" \/><\/a><\/noindex><\/p>\n<p style=\"text-align: center;\"><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-15-9.1.jpg\"  ><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3594\" title=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" src=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-15-9.1.jpg\" alt=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" width=\"797\" height=\"316\" \/><\/a><\/noindex><\/p>\n<p style=\"text-align: center;\"><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-30-26.91.jpg\"  ><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3597\" title=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" src=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-30-26.91.jpg\" alt=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" width=\"808\" height=\"287\" \/><\/a><\/noindex><\/p>\n<p style=\"text-align: center;\"><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-30-47.6.jpg\"  ><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3598\" title=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" src=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-30-47.6.jpg\" alt=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" width=\"807\" height=\"321\" \/><\/a><\/noindex><\/p>\n<p style=\"text-align: center;\"><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-37-11.3.jpg\"  ><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3599\" title=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" src=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-37-11.3.jpg\" alt=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" width=\"803\" height=\"288\" \/><\/a><\/noindex><\/p>\n<p style=\"text-align: center;\"><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-37-24.1.jpg\"  ><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3600\" title=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" src=\"http:\/\/tutormathem.com\/wp-content\/uploads\/2012\/07\/Screen-2012.8.4-6-37-24.1.jpg\" alt=\"\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\" width=\"800\" height=\"318\" \/><\/a><\/noindex><\/p>\n<h3 style=\"text-align: justify;\">\u041f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0435 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f &#8212; \u044d\u0442\u043e \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0432\u0438\u0434\u0430 :1-4 (\u0410, \u0411, \u0421), \u0438\u0445 \u0440\u0435\u0448\u0435\u043d\u0438\u044f\u00a0\u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0437\u043d\u0430\u0442\u044c \u043d\u0430\u0438\u0437\u0443\u0441\u0442\u044c. \u0410 \u043a\u0430\u043a \u043b\u0435\u0433\u0447\u0435 \u0432\u044b\u0443\u0447\u0438\u0442\u044c, &#8212; \u0437\u043d\u0430\u044e \u044f, \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0435\u043b\u044e\u0441\u044c \u043d\u0430\u00a0\u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430\u0445 \u0441\u0432\u043e\u0435\u0433\u043e \u0441\u0430\u0439\u0442\u0430.<\/h3>\n<p>\u041f\u041e\u0414\u0415\u041b\u0418\u0422\u0415\u0421\u042c:<\/p>\n<p><script type=\"text\/javascript\">(function() {\n  if (window.pluso)if (typeof window.pluso.start == \"function\") return;\n  if (window.ifpluso==undefined) { window.ifpluso = 1;\n    var d = document, s = d.createElement('script'), g = 'getElementsByTagName';\n    s.type = 'text\/javascript'; s.charset='UTF-8'; s.async = true;\n    s.src = ('https:' == window.location.protocol ? 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