| COSH(3) | Library Functions Manual | COSH(3) | 
cosh, coshf —
#include <math.h>
double
  
  cosh(double
    x);
float
  
  coshf(float
    x);
cosh() and coshf() functions
  compute the hyperbolic cosine of x.
cosh(x) and
  coshf(x) return Inf and sets the
  global variable errno to ERANGE.
cosh() function conforms to ANSI
  X3.159-1989 (“ANSI C89”).
| May 2, 1991 | NetBSD 10.0 |