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October 21, 2014

October 21, 2014

Posted by **AJ** on Thursday, May 12, 2011 at 8:31pm.

Please help

- Calculus -
**Mgraph**, Thursday, May 12, 2011 at 9:36pmLet C(x,y)-centroid. Obviously, x=pi/2

The area of the region=2

y=(1/2)(1/2)(integral from 0 to pi) sin^2(x)dx=pi/8

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