## Finding Fourier Series Examples

To find the Fourier series for the function defined betweenanduse

Example: Find the Fourier series for

Hence

In general ifis odd,and ifis even then

Example: Find the Fourier series for

Then

To find the Fourier series for the function defined betweenanduse

Example: Find the Fourier series for

Hence

In general ifis odd,and ifis even then

Example: Find the Fourier series for

Then