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

void main()
{
    float x,y;
    printf("     x|     y");
    for (x = -1.7; x <= 1.7; x+=0.2)
    {
        y = tan(x)*tan(x)*sqrt(5.1*x*x)/pow(x, 4);
        printf("%5f|%5f", x, y);
    }
    getch();
}