Which of the following is equivalent to ?

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Which of the following is equivalent to 1−sin⁡2θ1-\sin^2\theta? (a) sin⁡2θ\sin^{2}\theta (b) sec⁡2θ\sec^{2}\theta (c) cos⁡2θ\cos^{2}\theta (d) cos⁡θ\cos\theta

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