TITLE: Integral of $\frac{ \sqrt{\cos 2 x}}{\sin x}$
QUESTION [8 upvotes]: I am trying to solve the integral of $\frac{ \sqrt{\cos 2 x}}{\sin x}$. I converted this to $(\cot^2 x - 1)^{1/2}$ but after this I am stuck. I am not able to think of a suitable substitution. Any tips?

REPLY [2 votes]: i solve your problem its not that harder....