How do you integrate $int x^2 csc ^2 x dx$ using integration by parts?

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Answer 1 · 2016-02-17T13:52:48

Observe that $intcsc^2x dx = -cotx +C$ (which is integrable by substitution) and $d/dx(x^2) = 2x$ , so Integrating by parts twice should work.

How do you integrate int x^2 csc ^2 x dx int x^2 csc ^2 x dx using integration by parts?