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Math Help - Trig derivative proof?

  1. #1
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    Trig derivative proof?

    Prove that \frac{d}{dx}(csc x) = -csc x cot x

    Ho do I prove that?
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by yoman360 View Post
    Prove that \frac{d}{dx}(csc x) = -csc x cot x

    Ho do I prove that?
    Note that \csc x=\frac{1}{\sin x}.

    Now apply the quotient rule.

    Have a shot at it, and report back if you still have problems!
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  3. #3
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    Quote Originally Posted by Chris L T521 View Post
    Note that \csc x=\frac{1}{\sin x}.

    Now apply the quotient rule.

    Have a shot at it, and report back if you still have problems!
    Wow I couldn't believe it was that easy. Thanks so much
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