Simplify the expression (for )

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

Problem

Simplify the expression sec⁡2θ−1tan⁡θ\dfrac{\sec^{2}\theta-1}{\tan\theta} (for tan⁡θ≠0\tan\theta\ne 0). The simplified form is (a) tan⁡2θ\tan^{2}\theta (b) cot⁡θ\cot\theta (c) tan⁡θ\tan\theta (d) sin⁡θ\sin\theta

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