calculus help

Find the volume of the donut-shaped region (torus) given by \(\displaystyle {\rho}=4sin^{2}(\phi)\) centered at the origin.

One way is to use a triple integral.
 
Try a triple integral in spherical coordinates:

\(\displaystyle \int_{0}^{2\pi}\int_{0}^{\pi}\int_{0}^{4sin^{2}{\phi}}{\rho}^{2}sin{\phi} \;\ d{\rho}d{\phi}d{\theta}\)
 
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