#include <iostream>

using namespace std;

int main() {
    double x, epsilon;

    cout << "Введите значение x (в радианах): ";
    cin >> x;
    cout << "Введите точность ε: ";
    cin >> epsilon;

    double term;
    term = x;
    double sum;
    sum = term;
    int n;
    n = 1;



    while (fabs(term) >= epsilon) {
        term *= -x * x / ((2 * n) * (2 * n + 1));
        sum += term;
        cout << "sin(x) = " << sum << std::endl;
        n++;
    }
    cout << "Итоговый результат: ";
    cout << "sin(" << x << ") = " << sum << std::endl;
    return 0;
}