# Do a integral

1. Mar 12, 2010

### hancock.yang@

$$\int^{\pi}_{0}Sin(2Cos(\theta))Cos(2n\theta)d\theta$$

I can apply some software to do this integral. However, I need some procedures for this integral. Any help is welcome

Last edited: Mar 12, 2010
2. Mar 13, 2010

### g_edgar

can you to n=0, n=1, n=2 ? Is there a pattern?

3. Mar 13, 2010

### hancock.yang@

Yes. n is any integer