:art:A Fourier series is a series of wave patterns that approximate other functions when summed up.
:computer:Using the p5.js library, you can program a Fourier series in JavaScript.
:leftwards_arrow_with_hook:The x and y coordinates of a circle can be calculated using trigonometry.
:repeat:Fourier series are useful in analyzing sound and creating complex wave patterns.
:pencil2:A Fourier transform is used to represent a general non-periodic function.