Find the value of .

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Find the value of sin⁡2θ+cos⁡2θ\sin^{2}\theta+\cos^{2}\theta. (a) cos⁡2θ\cos 2\theta (b) 1 (c) sin⁡2θ\sin 2\theta (d) sec⁡2θ\sec^{2}\theta

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