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What can (\sin^2 \theta) be written as?(\sin^2 \theta) किसके बराबर लिखा जा सकता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (1-\cos^2 \theta)(1-\cos^2 \theta)
From (\sin^2 \theta+\cos^2 \theta=1), we get (\sin^2 \theta=1-\cos^2 \theta). In exams, write the basic identity first.(\sin^2 \theta+\cos^2 \theta=1) से (\sin^2 \theta=1-\cos^2 \theta) मिलता है। परीक्षा में मूल सर्वसमिका को पहले लिखें।
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