- #1

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## Homework Statement

#35 on this page

## Homework Equations

Integral of a series can be assumed to be the sum of integrals

## The Attempt at a Solution

Picture of Work

I am not sure where to proceed from here, advice?

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- Thread starter podjackel
- Start date

- #1

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#35 on this page

Integral of a series can be assumed to be the sum of integrals

Picture of Work

I am not sure where to proceed from here, advice?

- #2

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Try to explicitely calculate

[tex]\int_0^\lambda A_n \cos(\frac{2\pi n}{\lambda}x)dx[/tex]

[tex]\int_0^\lambda A_n \cos(\frac{2\pi n}{\lambda}x)dx[/tex]

- #3

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Try to explicitely calculate

[tex]\int_0^\lambda A_n \cos(\frac{2\pi n}{\lambda}x)dx[/tex]

This is good advice.

- #4

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Ahh, that whole scary monster is zero! Thanks for the advice. :)

- #5

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Keep an eye on periodicity. It can save you a lot of work.

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