TANH

Section: Linux Programmer's Manual (3)
Updated: June 13, 1993
 

NAME

tanh - hyperbolic tangent function  

SYNOPSIS

#include <math.h>

double tanh(double x);
 

DESCRIPTION

The tanh() function returns the hyperbolic tangent of x, which is defined mathematically as sinh(x) / cosh(x).  

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899  

SEE ALSO

acosh(3), asinh(3), atanh(3), cosh(3), sinh(3)