Simplify 3 + 3 - to an expression in its simplest form.

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

Problem

Simplify sin⁡3θ+sin⁡θcos⁡3θ−cos⁡θ\frac{\sin3\theta+\sin\theta}{\cos3\theta-\cos\theta} to an expression in its simplest form. (a) tan⁡θ\tan\theta (b) −cot⁡θ-\cot\theta (c) cot⁡θ\cot\theta (d) −cot⁡2θ-\cot 2\theta

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