find the area of the surface generated by revolving the curve x=tantdt
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Area of a Surface of Revolution
If the curve y=f(x), a≤x≤b is rotated about the x−axis, then the surface area is given by.
Area of a Surface of RevolutionIf the curve y=f(x), a≤x≤b is rotated about the x−axis, then the surface area is given by.If the curve is described by the function x=g(y), c≤y≤d, and rotated about the x−axis, then the area of the surface of revolution is given by.
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