2.

#include <stdio.h>

#include <math.h>

double calc(double x) {

return sin(x-2)/(PI + pow(x, 3.0));

}

int main(){

double x = 1, step = 0,8;

     while(x <= 5){

     printf("X:%.2lf  Y:%.2lfn", x, calc(x));

     x += step;

     }

}