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)