Friday
July 25, 2014

Homework Help: Calculus

Posted by Paul on Tuesday, August 7, 2012 at 5:09pm.

Evaluate the following integral

integral 1 = a and b = 4 of
sinx dx/(1+cos)^2

u = cosx
du = -sinx dx

so from here I don't know if I can do:

-1 du = sinx dx
or 1/sin du = x dx

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