Let R be the region bounded by the following curves. Find the volume of the solid generated when R is revolved about the x-axis. Recall that $cos^2 x = frac{1}{2}(1 + cos 2x)$. ewline$y = cos 15x$, $y = 0$, $x = 0$ ewlineSet up the integral that gives the volume of the solid. ewline$int_0^{oxed{}} oxed{} dx$ ewline(Type exact answers.)
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