- #1

earthloop

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## Homework Statement

I am trying to work out the Fourier coefficient [itex]a_{n}[/itex] for :

Mathematics is not my strong point and I would appreciate some help. The answer that wolfram spits out it lovely and neat and I am struggling to get my answer to it.

## Homework Equations

## The Attempt at a Solution

Apologies for the messy scan, its the best I can do without typing out ALL my working out in LaTeX.

I am really trying to improve my mathematics, so any suggestions on making my expressions neater, or techniques I may have missed, please do let me know.

EDIT : it seems uploading has resized my scan.

heres a https://drive.google.com/file/d/0B9RrInHrjRJCbTJBS0RqYlJHSW8/view?usp=sharing

Thanks for your time

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