TANH(H)             Linux Programmer's Manual             TANH(H)



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(h) / cosh(h).

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899 (C99)

SEE ALSO
       acosh(h), asinh(h), atanh(h), cosh(h), sinh(h)



                            1993-06-13                    TANH(H)