Find the exact solutions for :

MATHEMATICS · Multi-part · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Find the exact solutions for 0≤x≤2π0\le x\le2\pi: (1) sin⁡x=−cos⁡x\sin x=-\cos x (2) sin⁡3x=cos⁡3x\sin 3x=\cos 3x (3) sin⁡2x=3cos⁡2x\sin 2x=\sqrt{3}\cos 2x

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