تابع ‎cosh()‎‎ در ‎C++‎

/* cosh example */
#include <stdio.h>/* printf */
#include <math.h>/* cosh, log */

int main ()
{
double param, result;
param = log(2.0);
result = cosh (param);
printf ("The hyperbolic cosine of %f is %f.n", param, result );
return 0;
}