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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

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    https://brainmass.com/math/calculus-and-analysis/multivariable-calculus-double-integral-polar-coordinates-16107

    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.

    $2.49

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