Chapter 2.6, Problem 273E

For the following exercises, use a calculator to draw the region, then compute the center of mass $(\bar{x},\bar{y})$ . Use symmetry to help locate the center of mass whenever possible.

273. [T] The region bounded by y = cos(2x), $x=-\frac{\pi }{4}$ and $x=\frac{\pi }{4}$