I need help finding the exact solutions of the equation in the interval (0, 2π): sin 2x - sin x = 0
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Originally Posted by adam456006 I need help finding the exact solutions of the equation in the interval (0, 2π): sin 2x - sin x = 0 Substitute $\displaystyle \sin (2x) = 2 \sin x \cos x$. Then factorise.
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