1. ## 2 trig integrals

how do you find out the
integral of tan^2(theta)
and
integral of arctant

2. Originally Posted by xslim12
how do you find out the
integral of tan^2(theta)
and
integral of arctant
i figured out tan^2(theta)... made a slight error before.
now i need help with second one please!

3. Originally Posted by xslim12
how do you find out the
integral of tan^2(theta)
and
integral of arctant
$\int tan^{-1} t dt$
use IBP setting
$u=tan^{-1} t$ and $dv=dt$