A Level

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

Problem

Solve ∣cos⁡x−2sin⁡2x−cos⁡3x∣=1−2sin⁡x−cos⁡2x|\cos x-2\sin 2x-\cos 3x|=1-2\sin x-\cos 2x.

Related theory

Browse the problem library