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



NAME
       cosh - hyperbolic cosine function

SYNOPSIS
       #include <math.h>

       double cosh(double x);

DESCRIPTION
       The  cosh()  function  returns the hyperbolic cosine of x,
       which is defined mathematically as (exp(p) + exp(-x)) / 2.

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

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



                            1993-06-13                    COSH(H)