Integrate -cos^2x sinx: Need Help!

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in calculating a question, I'm stuck on how to integrate this:
[tex]\int_{0}^{2pi} -(cos^2 x)(sinx) dx[/tex]

could someone help?
 
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integrate the following family of functions

f'(x)f(x)^n
 
There is a standard technique for integrals involving an odd power of sine or cosine. That is what Matt is talking about. Check your textbook for that.
 
it wasn't what i was knowingly talking about, i was just pointing out in fact that integrating that is not a 'trig' problem, and belongs to a far more generic type of integral.