Integral of x cotan (x) dx from 0 to pi/2 Please solve using all steps. thanks!!
Last edited by mr fantastic; May 28th 2010 at 04:13 PM. Reason: Re-titled.
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Did you try doing this 'under the Integral'?. This one is often done that way. Now, integrate w.r.t a. Then, let a=1 to finish line. This is a cool method. Learn about 'differentiating under the integral sign'. You can probably find it somewhere.
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