# Math Help - need help with indefinite integral problem

1. ## need help with indefinite integral problem

I need the indefinite integral of (sin(2x)/sin(x)) dx. Someone please show me the steps!

2. ## Re: need help with indefinite integral problem

Well, think about $sin(2x)$. How can you write it in another way? what formulas you know for $sin(2x)$. Once you do that, your integral is done.

3. ## Re: need help with indefinite integral problem

damn! Thanks, I cant believe I forgot about the double angle formulas :[