Task 78 Lab 5

#include <iostream>
#include <cmath>
using namespace std;

int main() {
    double S,y,i;
    S = 0;
    for (i=0;i<9;i++);
    y = sin((3.14/10)*i);
    S = S +(3.14/10) * y;
    cout<<S<<endl;
    return 0;
}