COSH(3)                  BSD Library Functions Manual                  COSH(3)

NAME
     cosh -- hyperbolic cosine function

SYNOPSIS
     #include <math.h>

     double
     cosh(double x);

     long double
     coshl(long double x);

     float
     coshf(float x);

DESCRIPTION
     The coshf() function computes the hyperbolic cosine of x.

SPECIAL VALUES
     cosh(+-0) returns 1.

     cosh(+-infinity) returns +infinity.

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

STANDARDS
     The cosh() function conforms to ISO/IEC 9899:2011.

BSD                            December 11, 2006                           BSD