What is the Integration by Parts Method for Solving Complex Integrals?

[suspenc3]

I need to integrate $$2\int_0^1cosh(\pi x)cosnx$$

Not asking anyone to do it for me, just what method to use?

Thanks a lot.

 

[rocomath]

Use Integration by Parts.

 

[suspenc3]

Oh yeah, I remember now...Thanks!