tanh
(PHP 4 >= 4.0.7, PHP 5)
tanh — Hyperbolic tangent
Beskrivelse
float tanh
( float $arg
)
Returns the hyperbolic tangent of arg , defined as sinh(arg)/cosh(arg).
Parameterliste
- arg
-
The argument to process
Returneringsværdier
The hyperbolic tangent of arg