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Math Help - Integral

  1. #1
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    Integral

    can u help me by solving this integral
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  2. #2
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    Quote Originally Posted by geriniki View Post
    can u help me by solving this integral
    Use integration by substitution:

    Let u(x) = \sin(x) +\cos(x). Then \frac{du}{dx} = \cos(x)-\sin(x)~\implies~du = (-\sin(x) + \cos(x))dx

    Your integral becomes

    \int \left(\frac1{\sqrt{u}}\right) du

    Can you take it from here?
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