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MATH / If cosx+cos2x+cos3x=3, then find sinx+sin2x+sin3x.

Problem

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problem

If cosx+cos2x+cos3x=3,\cos x + \cos 2x + \cos 3x = 3, then find sinx+sin2x+sin3x.\sin x + \sin 2x + \sin 3x.
Plain-text mathematical notation (without MathML)
If cosx+cos2x+cos3x=3, then find sinx+sin2x+sin3x.
Original LaTeX notation
If $\cos x + \cos 2x + \cos 3x = 3,$ then find $\sin x + \sin 2x + \sin 3x.$

level

Level 3

type

Precalculus

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