The solution of the equation is:

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

Problem

The solution of the equation sin⁡2x+sin⁡4x=2sin⁡3x\sin 2x+\sin 4x=2\sin 3x is: (1) x=nπ3x=\frac{n\pi}{3} (2) x=nπx=n\pi (3) x=2nπx=2n\pi (4) None of the above

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