Question: The surface generated by revolving the astroid c(t) = (cos 3 t, sin 3 t) about the x-axis for 0 t /2

The surface generated by revolving the astroid c(t) = (cos3 t, sin3 t) about the x-axis for 0 ≤ t ≤ π/2

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We have xt cos t yt sin t xt 3 cos t sint y t 3 sin t cost Hence x t y t 9 ... View full answer

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