tinh tich phan \[\int_0^{\frac{\pi }{2}} {\cot xdx} \]
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Posted 08-09-2018 - 00:57
Nhok Tung
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tinh tich phan \[\int_0^{\frac{\pi }{2}} {\cot xdx} \]
$\int_{0}^{\frac{\pi }{2}}cotx =\lim_{x\rightarrow 0} (-ln|sinx|)=+\infty$
$\lim_{I\rightarrow Math}LOVE=+\infty$
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