An engineer at Kreamy Krisp is studying the parametrized surface S given by r(0,0) = ((3 + cos 0) cos , (3 + cos 0) sin , sin 0), where 0 ≤0,0 ≤ 2T. (a) Sketch the surface, and indicate a few grid curves. (b) Find the surface area. - (c) Compute the integral ſfç(1 + sin(x) — sin(y)) dS. Hint: don't work too hard on this part.

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