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Posted by Cad on Saturday, September 3, 2011 at 11:25pm.

Can someone please tell me how to find the following integral? cos^4(2q)*sin(2q) dq

If z=cos(2q) then dz=-2sin(2q)dq. Integral=-1/2*Integral z^4dz= -1/10*z^5+C

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