Problem: Find the surface area of revolution about the x-axis of over the interval . I got that y' = 30cos(6x) and S.A. = But can't figure out how to do that integral. Is the integral wrong?
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Originally Posted by twoteenine Problem: Find the surface area of revolution about the x-axis of over the interval . I got that y' = 30cos(6x) and S.A. = But can't figure out how to do that integral. Is the integral wrong? It should be not . use .
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