# Math Help - Integrals help

1. ## Integrals help

\int arctan(1/x)dx

how to solve this

2. 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

3. Or you can use $\tan^{-1} \frac{1}{x} = \cot^{-1}x$ but leads to what Jhevon said.