Макс - 3

#include <iostream>
#include <cmath>

using namespace std;

double factorial(double num){
    if(num < 0)
        return 0;
    if (num == 0)
        return 1;
    else
        return num * factorial(num - 1);
}
double Calc(double x, double epsilon) {
    double res, a;
    a = pow(x,5)/factorial(5);
    res = a;
    int i = 1;
    cout << "\t" << i++ << "\t" << res << "\n";
    do {
        a = a*(-1*(pow(x,2)*factorial(2*i+1))/factorial(2*i+3));
        res += a;
        cout << "\t" << i++ << "\t" << res << "\n";
    } while (abs(res-a) >= epsilon);
    return res;
}