definite-integral

Question: $\int_{0}^{\pi /2}{x\cot x\,dx}$ equals



1) $-\frac{\pi }{2}\log 2$
2) $\frac{\pi }{2}\log 2$
3) $\pi \log 2$
4) $-\pi \log 2$
Solution: Explanation: No Explanation
Properties of definite integration

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