Posted by akela on Tuesday, December 18, 2012 at 12:27am.
find the volume of the solid generated by revolving the region about the given line. the region in the first quadrant bound above by the line y=1, below by the curve y=√(sin5x) ,and on the left by the yaxis, above the line y=1

calculus  drwls, Tuesday, December 18, 2012 at 12:44am
What is the "given line" that the solid volume revolves around?

calculus  drwls, Tuesday, December 18, 2012 at 12:46am
Should the word "above" in the last line be "about"? Then the question would make sense.

calculas  Steve, Tuesday, December 18, 2012 at 10:02am
using washers, the volume is
∫[0,π/10] π R^2r^2 dx
where R=2 and r = √(sin5x) + 1
v = ∫[0,π/10] π (4  (√(sin5x)+1)^2) dx
I think you are in trouble.
∫√(sin5x) dx
cannot be evaluated using elementary functions.
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