tanh()

NAME

tanh() - hyperbolic tangent function

SYNOPSIS

#include <math.h>


double tanh (double x)

DESCRIPTION

The tanh(3) function computes the hyperbolic tangent of x. For a discussion of error due to roundoff, see the math(1) reference page.

RETURN VALUES

The tanh(3) function returns the hyperbolic tangent value.

SEE ALSO

acos(3)

asin(3)

atan(3)

atan2(3)

cos(3)

cosh(3)

sin(3)

sinh(3)

tan(3)

math(3)