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For x∈[0,π2]x\in\left[0,\frac{\pi}{2}\right]x∈[0,2π]if cosx+cos2x+cos3x=3\cos x + \cos 2x + \cos 3x = 3cosx+cos2x+cos3x=3 then find the value of sinx+sin2x+sin3x\sin x + \sin 2x + \sin 3xsinx+sin2x+sin3x
This problem is part of the set Trigonometry.
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