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    Multivariable Calculus : Double Integral - Polar Coordinates

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    Find the indicated area by double integration in polar coordinates: The area inside both the circles r = 1 and r = 2 sin u

    © BrainMass Inc. brainmass.com March 4, 2021, 5:53 pm ad1c9bdddf

    Solution Preview

    I use theta instead of u. We know that the jacobian here is r.
    r changes between 1 and 2sin(theta). To find ...

    Solution Summary

    A double integral is solved. The polar coordinates are analyzed for circles.