{"id":37989,"date":"2026-05-21T19:41:33","date_gmt":"2026-05-21T13:41:33","guid":{"rendered":"https:\/\/mcqacademy.com\/bn\/mcq\/sine-cosine-complement-relation-45-and-45\/"},"modified":"2026-05-21T19:41:33","modified_gmt":"2026-05-21T13:41:33","slug":"sine-cosine-complement-relation-45-and-45","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/bn\/mcq\/sine-cosine-complement-relation-45-and-45\/","title":{"rendered":"45 \u0993 45 \u09a1\u09bf\u0997\u09cd\u09b0\u09bf\u09b0 \u09b8\u09be\u0987\u09a8-\u0995\u09cb\u09b8\u09be\u0987\u09a8 \u09aa\u09c2\u09b0\u0995 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995"},"content":{"rendered":"<p>\u098f\u0995\u099f\u09bf \u09b8\u09ae\u0995\u09cb\u09a3\u09c0 \u09a4\u09cd\u09b0\u09bf\u09ad\u09c1\u099c\u09c7 \u09af\u09a6\u09bf \u2220A = 45\u00b0 \u098f\u09ac\u0982 \u2220B = 45\u00b0 \u09b9\u09af\u09bc, \u09a4\u09ac\u09c7 sin A \u098f\u09ac\u0982 cos B \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09c7 \u0995\u09cb\u09a8\u099f\u09bf \u09b8\u09a4\u09cd\u09af?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>cos B \u09b8\u09ac \u09b8\u09ae\u09af\u09bc \u09e6<\/li>\n<li>\u09a4\u09be\u09b0\u09be \u09b8\u09ae\u09be\u09a8<\/li>\n<li>sin A \u09b8\u09ac \u09b8\u09ae\u09af\u09bc \u09e7<\/li>\n<li>\u09a4\u09be\u09a6\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u0995\u0996\u09a8\u09cb \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995 \u09a8\u09c7\u0987<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[8647],"subject":[8570],"education_level":[8354],"class_list":["post-37989","mcq","type-mcq","status-publish","hentry","topic-complementary-angles","subject-trigonometry","education_level-grade-7"],"mcq_note":"45\u00b0 \u0993 45\u00b0 \u09aa\u09c2\u09b0\u0995 \u0995\u09cb\u09a3, \u0995\u09be\u09b0\u09a3 \u09a4\u09be\u09a6\u09c7\u09b0 \u09af\u09cb\u0997\u09ab\u09b2 \u09ef\u09e6\u00b0\u0964 \u09aa\u09c2\u09b0\u0995 \u0995\u09cb\u09a3\u09c7\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u098f\u0995 \u0995\u09cb\u09a3\u09c7\u09b0 sin \u0985\u09a8\u09cd\u09af \u0995\u09cb\u09a3\u09c7\u09b0 cos-\u098f\u09b0 \u09b8\u09ae\u09be\u09a8; \u09a4\u09be\u0987 sin 45\u00b0 = cos 45\u00b0\u0964","mcq_options":[{"right":"no","answer":"cos B \u09b8\u09ac \u09b8\u09ae\u09af\u09bc \u09e6"},{"right":"yes","answer":"\u09a4\u09be\u09b0\u09be \u09b8\u09ae\u09be\u09a8"},{"right":"no","answer":"sin A \u09b8\u09ac \u09b8\u09ae\u09af\u09bc \u09e7"},{"right":"no","answer":"\u09a4\u09be\u09a6\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u0995\u0996\u09a8\u09cb \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995 \u09a8\u09c7\u0987"}],"multi_answers":"no","subject_terms":[{"id":8570,"title":"\u09a4\u09cd\u09b0\u09bf\u0995\u09cb\u09a3\u09ae\u09bf\u09a4\u09bf","slug":"trigonometry"}],"topic_terms":[{"id":8647,"title":"Complementary Angles","slug":"complementary-angles"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/mcq\/37989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/comments?post=37989"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/media?parent=37989"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/topic?post=37989"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/subject?post=37989"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/bn\/wp-json\/wp\/v2\/education_level?post=37989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}