Hi,

Could someone please give me a hint on how to do this problem? I know that I have to use a formula to do it, but it looks like I need to simplify it.

Int. cotx/sq. 1+2sinx

I have these formulas:

int. cotudu=ln|secu|+c

int. cot^udu=-1/n-1cot^n-1u-int. cot^n-2udu

Thank you