Answer: (a) Find a parametric representation for the torus obtained by rotating about
Chapter 16, Problem 64(choose chapter or problem)
(a) Find a parametric representation for the torus obtained by rotating about the -axis the circle in the -plane with center and radius . [Hint: Take as parameters the angles and shown in the figure.] ; (b) Use the parametric equations found in part (a) to graph the torus for several values of a and b. (c) Use the parametric representation from part (a) to find the surface area of the torus.
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