use substitution to evaluate the integral

[Inept]

1. The problem statement, all variables and given/known data

Use substitution to evaluate the integral

2. Relevant equations

∫√(cotx) csc^(2)x dx?

[Inept]

i tried, but i really have no idea what to do with the sqrt

[awvvu]

What's the derivative of cot(x)? What do you think your substitution should be based on that?

[Inept]

i feel stupid.
thanks