$\displaystyle f(x)=1, 0<x<\pi$ and$\displaystyle f(x)=-1, \pi<x<2\pi$
I got the values of $\displaystyle a_{0}=0$ $\displaystyle a_{n}=0$ $\displaystyle b_{n}=\frac{4}{n\pi} $ for odd value of n. Am I right.
$\displaystyle f(x)=1, 0<x<\pi$ and$\displaystyle f(x)=-1, \pi<x<2\pi$
I got the values of $\displaystyle a_{0}=0$ $\displaystyle a_{n}=0$ $\displaystyle b_{n}=\frac{4}{n\pi} $ for odd value of n. Am I right.
That is correct (and $\displaystyle b_n=0$ for even values of n).