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

// macro = text substitution
#define PI 3.14159265

// parametric macro:
// BUG!
#define SINDEG(ALPHA) sin(PI/180.0*ALPHA)

int main(void) {
  double alpha;
  for (alpha=0; alpha<361; alpha+=30) {
    // MACRO = TEXT SUBSTITUTION:
    printf("%5.1lf\t%8.4lf\n", alpha, SINDEG(alpha+30.0));
  }
  return 0;
}