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What is (\cos(\frac{\pi}{2}-x)) equal to?(\cos(\frac{\pi}{2}-x)) किसके बराबर है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\sin x)(\sin x)
By the complementary angle identity, (\cos(\frac{\pi}{2}-x)=\sin x). In such questions, (\sin x) and (\cos x) interchange.पूरक कोण पहचान से (\cos(\frac{\pi}{2}-x)=\sin x) होता है। ऐसे प्रश्नों में (\sin x) और (\cos x) आपस में बदलते हैं।
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