3.5.1.2.30 Tanh

Desctription

The tanh(x) function is the hyperbolic form of and tan(x).

Syntax

double tanh(double x)

Parameters

x

x is any real number. Note that numbers whose absolute value is greater than about 710 return 1/-1.

Return

Returns the hyperbolic tangent of x.

Example

val = tanh(10); // val will have a value of ~0.99999999587769