COSH(3)

NAME
cosh - hyperbolic cosine function

SYNOPSIS
#include <math.h>
double
cosh(double x);
float
coshf(float x);

DESCRIPTION
The cosh() and coshf() functions compute the hyperbolic cosine of x.

RETURN VALUES
Exceptional conditions are handled by matherr(3).

SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cos(3), sin(3), sinh(3), tan(3), tanh(3), math(3), matherr(3)