\int arctan(1/x)dx how to solve this
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Originally Posted by kriszhaha \int arctan(1/x)dx how to solve this use integration by parts with u = arctan(1/x) and v' = 1
Or you can use $\displaystyle \tan^{-1} \frac{1}{x} = \cot^{-1}x$ but leads to what Jhevon said.
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