Tools:

These are some tools I use in my studies in order to evaluate if my homework is OK.

Fourier Series:

A visualization of the fourier series, and all of its components.
Fourier Series

Coefficients:

Use n as the iteration variable. It accepts JS syntax.

Number of sinusoids: 1

Real coefficient formula:

Imaginary coefficient formula:

Components:

Coming soon: Fourier Transform visualization