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Math Help - Needing Trig Help

  1. #1
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    Needing Trig Help

    I need help finding the exact solutions of the equation in the interval (0, 2π):

    sin 2x - sin x = 0
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  2. #2
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    Quote Originally Posted by adam456006 View Post
    I need help finding the exact solutions of the equation in the interval (0, 2π):

    sin 2x - sin x = 0
    Substitute \sin (2x) = 2 \sin x \cos x. Then factorise.
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