Trigonometry! #133

Geometry Level 1

For x∈[0,π2]x\in\left[0,\frac{\pi}{2}\right]if cos⁡x+cos⁡2x+cos⁡3x=3\cos x + \cos 2x + \cos 3x = 3 then find the value of sin⁡x+sin⁡2x+sin⁡3x\sin x + \sin 2x + \sin 3x

This problem is part of the set Trigonometry.

Omkar Kulkarni by Omkar Kulkarni
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