Which of the following is equal to for any real value of ?

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

Problem

Which of the following is equal to 1+tan⁡2θ1+\tan^{2}\theta for any real value of θ\theta? (a) csc⁡2θ\csc^{2}\theta (b) sec⁡2θ\sec^{2}\theta (c) sec⁡θ\sec\theta (d) sin⁡2θ\sin^{2}\theta

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