HP 3000 Manuals

HP C/iX Library Reference Manual

tanh 

Computes the hyperbolic tangent value for a given angle.

Syntax 

     #include <math.h>
     double tanh (double x);

Parameters 

x             A real number giving the angle measured in radians.

Return Values 

n             The hyperbolic tangent of the angle.

Description 

This function returns the hyperbolic tangent of its argument (x) in
radians.

See Also 

sin(), cos(), ANSI C 4.5.3.3, POSIX.1 8.1

MPE/iX 5.0 Documentation