Consider the following. y = 4 cos“(x), y = -4 cos4(x), -T/2 < x sT/2; about x = TI (a) Set up an integral for the volume V of the solid obtained by rotating the region bounded by the given curve about the specified axis. T/2 V = dx -TT/2 (b) Use your calculator to evaluate the integral correct to five decimal places. V =

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