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

1. ### chevy900ss

16
Integrate
int(0topi)int(0tosinx)ydydx

2. ### CompuChip

4,297
Re: integrate

OK, I just did it.
Did you?

3. ### HallsofIvy

40,785
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.)