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Math Help - Derivative of sec^2 (x)

  1. #1
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    Derivative of sec^2 (x)

    Derivative of sec^2 (x)
    how do I do this??

    I know the answer is 2tanxsec^2 x

    thank you.
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  2. #2
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    Re: Derivative of sec^2 (x)

    Quote Originally Posted by BabyMilo View Post
    Derivative of sec^2 (x)
    how do I do this??

    I know the answer is 2tanxsec^2 x

    thank you.
    Use the definition of sec(x) and the quotient rule.
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  3. #3
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    Re: Derivative of sec^2 (x)

    sec(x) = 1/cos^2 (x) ?

    oh oh, i solved it

    thank you.
    Last edited by BabyMilo; June 14th 2011 at 02:29 AM.
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