hyperbolic cotangent

exponential

last updated: 2003-07-20

h10cothf.gif (1579 bytes) 

h10coth.gif (1942 bytes)The hyperbolic cotangent cotanh(x) or coth(x) is defined - not surprisingly - as the hyperbolic cosine divided by the hyperbolic sine.

The inverse of the curve is the arc hyperbolic cotangent arccoth(x).