## Goten77 Group Title integral any ideas on how to do this one below? one year ago one year ago

1. Goten77

$\int\limits_{}^{} \frac{ sinx }{ 1 +\cos ^{2} x } dx$

2. Goten77

every time i do u substitution i get XD something wrong and if i do by parts im like off some how .. not sure why but any1 have any ideas?