Solve Volume of Revolution (VOR) for x^2+y^2=25|Definite Integrals

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help my final is friday and law school depends upon it.volume of revolution (VOR) for base of x^2 + y^2=25. Assume the square slcies are Peripindxular to the x axis.

voR for area between y=2x and y=2cos x revlved aroung the line y=-50

write definite integrals and evaluate

thanks in advance
 
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Nope. Can't do it. At least TRY! People will help with a wrong attempt. They won't work your homework for you. And I'm not sure a failure to enter law school will elicit much sympathy.
 

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