Fourier series

http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/FourierserMD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/FourierserMD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/FourierserMD.html[/url]

Information: Fourier series