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## Homework Statement

Develop in fourier series 1/cos(z) and cotan(z) for Im(z)>0

## Homework Equations

## The Attempt at a Solution

I really don't know how to do this, i was looking at my notes and we just saw fourier transform and there is no example for complex functions.

I was thinking to develop cos(z) in exponential form and simplify and then i don't know what to do if someone can "guide" me it'd be great !

Thanks