Hi,
I got this task about Fourier series and im trying to solve it with Grapher
Im trying to fill in this function:
TF being 3π and fF 1/3π
And I'm doing it this way in grapher:
and its not working and i dont know what im doing wrong, as its the first time im using grapher
please help
I got this task about Fourier series and im trying to solve it with Grapher
Im trying to fill in this function:

TF being 3π and fF 1/3π
And I'm doing it this way in grapher:

and its not working and i dont know what im doing wrong, as its the first time im using grapher
please help