cos

#include<iostream>
#include<math.h>

int faktorial(int N)
{
    if (N==0) return 1;
    else return N*faktorial(N-1);
}

using namespace std;

int main()
{

    ///MENGERJAKAN SOAL cos MCLaurin
    double zigma = 0.;
    double x = 0.5;
    int N = 5;
    double y = cos(0.5);
    double galat;
    for (int i = 0; i<=N; i++)
    {
        zigma = zigma + (pow(-1,i)*pow(x,2*i+1)/faktorial(2*i+1));
        galat = y - zigma;
        // cout<<zigma<<endl;
        printf("Sigma: %.20f\nGalat: %.20f\n", zigma, galat);
        // cout<<galat<<endl;
    }


}