To find the Fourier series for the function
defined between
and
use
Example: Find the Fourier series for
Hence
In general ifis odd,
and if
is even then
Example: Find the Fourier series for
Then
To find the Fourier series for the function
defined between
and
use
Example: Find the Fourier series for
Hence
In general ifis odd,
and if
is even then
Example: Find the Fourier series for
Then