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Math Help - Calculus help

  1. #1
    Newbie
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    Calculus help

    I need to prove that the integral of k/(sin x*sqrt(sin^2x-k^2) dx= arccos(k/sqrt(1-k^2)*(cot x)) and it says to set u= c*cot x
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  2. #2
    MHF Contributor
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    Re: Calculus help

    Hey sean60630.

    Hint: Try getting the sin^2x term out of the square root sign and then look for a cot(x) term.
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