# Integrate int(0topi)int(0tosinx)ydydx

1. Nov 17, 2009

### chevy900ss

Integrate
int(0topi)int(0tosinx)ydydx

2. Nov 17, 2009

### CompuChip

Re: integrate

OK, I just did it.
Did you?

3. Nov 17, 2009

### HallsofIvy

Staff Emeritus
Re: integrate

What is $\int y dy$? What do you get when you put y= sin(x) into that? Now, what is the integral of that with respect to x? (You may need a trig identity.)