sinh - Calculates hyperbolic sine in C

#include <stdio.h>
#include <math.h>
 
int main ()
{
  double input , result;
  input = log(2.0);
  result = sinh(input);
  printf ("The hyperbolic sine of %lf is %lf.\n", input, result );
  return 0;
}
// The hyperbolic sine of 0.693147 is 0.750000