#include <stdio.h>
#include "math.h"
#include "mine.h"

#define PI 3.14159

/* Function: print_cos_avg
   Print the cosine of the average
   of x and y.
*/
void print_cos_avg (int x, int y) {
   double average ;

   average = avg(x,y) ;
   printf("Cosine of the average of %d and %d: %f\n",
      x, y, cos(PI * average / 180.0) ) ;
}