I keep getting these answers wrong, which part is wrong id love some help.

For mathqs1......Q2 i have also tried 18 and 27

For mathqs2..... Q5 i have also tried 0

Please view attached cheers

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- May 16th 2013, 08:52 PMBrennoxFourier series (Whats wrong?)
I keep getting these answers wrong, which part is wrong id love some help.

For mathqs1......Q2 i have also tried 18 and 27

For mathqs2..... Q5 i have also tried 0

Please view attached cheers - May 16th 2013, 11:14 PMzzephodRe: Fourier series (Whats wrong?)
- May 16th 2013, 11:24 PMzzephodRe: Fourier series (Whats wrong?)
For question 5 you want to evaluate:

$\displaystyle a_n=\frac{1}{\pi}\int_{-\pi}^{\pi}f(t) \cos(nt)\;dt = \frac{2}{\pi} \int_{0}^{\pi}f(t) \cos(n t)\;dt$

The last term is because $\displaystyle f(t)$ is the even extension of $\displaystyle f(t)$ defined on $\displaystyle (0,\pi)$.

. - May 17th 2013, 01:17 AMBrennoxRe: Fourier series (Whats wrong?)
- May 17th 2013, 07:19 AMzzephodRe: Fourier series (Whats wrong?)