soal 1- sinus hiperbolik maclaurin

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

using namespace std;

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

double myexp(double x, int n) {
    double e = 0.;

    for (int i=0; i<=n; i++)
        e += pow(x, i) / faktorial(i);

    return e;
}

double sinh_(double x, int N) {
    double sinh_x = (myexp(x, N) - myexp(-x, N)) / 2;
    return sinh_x;
}

int main() {

    int N = 10;

    double x = 0.5;

    // mencari sinh 0.5 - function bawaan math.h vs manual sinh_
    double yx = sinh(x);
    double y = sinh_(x, N);

    double galat = abs(yx - y);
    printf("%.20f\n%.20f\nGalat: %.20f", yx, y, galat);
}