A Level

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Solve sin⁡[2cos⁡−1{cot⁡(2tan⁡−1x)}]=0\sin\left[2\cos^{-1}\left\{\cot\left(2\tan^{-1}x\right)\right\}\right]=0.

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