Question
The region between the curve $y=\cos x$ and the $x$ -axis from $x=-\pi / 2$ to $x=\pi / 2$ is revolved about the $x$ -axis. Find the volume of the resulting solid.
Step 1
We need to find the volume of the resulting solid. We know that the formula for the volume of the resulting solid can be written as $\int_{x_1}^{x_2} \pi y^2 dx$. Show more…
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