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Math Help - Trigonmetric general solutions question

  1. #1
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    Trigonmetric general solutions question

    I'm not sure how to solve using general solutions \sin{3\theta}=3\sin{\theta}
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  2. #2
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    Re: Trigonmetric general solutions question

    Quote Originally Posted by aonin View Post
    I'm not sure how to solve using general solutions \sin{3\theta}=3\sin{\theta}
    Start by simplifying the LHS using the identity \displaystyle \sin{3\theta} \equiv 3\sin{\theta} - 4\sin^3{\theta}.
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