cosh(x),sinh(x) and tanh(x)

http://dmentrard.free.fr/GEOGEBRA/Maths/CoshsinhMD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/CoshsinhMD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/CoshsinhMD.html[/url]
– Daniel Mentrard

Information: cosh(x),sinh(x) and tanh(x)