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Thread: Help with an Integral

  1. #1
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    Default Help with an Integral

    I've been stuck on this Integral for a long time - wolfram only gives me an answer but no explanation or step by step Instruction
    the Integral Is arcsin x /(sqrt(1-x^2))
    the answer Is .5 arcsin x^2 +C
    IvI' only managed to understand the .5
    thanks very much!

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    heres a hint, try integrating by parts and also consider the identity of Int(1/(sqr(1-x^2)))dx = ArcSin[x]

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    Quote Originally Posted by Enslaved View Post
    heres a hint, try integrating by parts and also consider the identity of Int(1/(sqr(1-x^2)))dx = ArcSin[x]
    Just talked to a friend in calc about these the other day He's right, do it in parts.

  4. #4
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    haha nice a maths problem
    but what is the question?

    you hav eonly formula so what is the question I dont get et

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