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

#define N_POINTS 1000
#define XMIN 	 0
#define XMAX 	 (4 * M_PI)	/* This is just 4 PI; M_PI defined in math.h */

main()
{
    int i;
    double x;
    for (i = 0; i < N_POINTS; i++) {
	x = XMIN + i * (XMAX - XMIN) / (N_POINTS - 1);
	printf("%f %f %f\n", x, sin(x), cos(x));
    }
}