# Do a integral

## Main Question or Discussion Point

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

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

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## Answers and Replies

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

can you to n=0, n=1, n=2 ? Is there a pattern?
Yes. n is any integer