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Math Help - integral

  1. #1
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    integral

    if f is continuous and the integral from 0 to 2 of f(x)dx=6, evaluate the integral from 0 to pi/2 of (f(2sintheta)cosetheta) dtheta
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  2. #2
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    Quote Originally Posted by asdf View Post
    if f is continuous and the integral from 0 to 2 of f(x)dx=6, evaluate the integral from 0 to pi/2 of (f(2sintheta)cosetheta) dtheta
    \int_0^{\pi/2} f(2\sin \theta)\cos \theta d \theta let t=\sin \theta, the rest is trivial.
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