Equation Tangente
http://dmentrard.free.fr/GEOGEBRA/Maths/differcalculMD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/differcalculMD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/differcalculMD.html[/url]
Information: Equation Tangente