Find the area of the surface obtained by rotating the given curve about the -axis. 59. x=
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59. x= t. y = , 0sI<1 60. x = 3t – r'. y = 3r, 0s1 I 61. x = a cos'e. y = a sin'e. 0s e < n/2
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59 t yt0 t 1 dt d S 279 2 201 9 41 dt 2 196 4 de S ...View the full answer
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