Sketch the graph and compute the volume of the solid of revolution generated by:

The sketch of the ordinate set of on is as follows:

We then compute the volume of the solid of revolution.

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Stumbling Robot

A Fraction of a Dot
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Compute the volume of the solid of revolution generated by f(x) = cos x

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Sketch the graph and compute the volume of the solid of revolution generated by:

The sketch of the ordinate set of on is as follows:

We then compute the volume of the solid of revolution.

I think that the formula that replaces cosine should have a plus sing instead of the minus sing. It doesn’t matter to the overall result since the integral of cos(2x) is 0….but still, it can cause confusion.