#include <stdio.h>
#include <iostream>
#include <math.h>
#include <iomanip>
#include <conio.h>

using namespace std;


typedef double (*func)(double);
double y_from_x (double);
double s_from_x(double);
void Out_Rez(double, double, double, func);
double n;

double s_from_x(double a) {
	double sx = 1;
	double shag = 1;
	for (double k = 1; k <= n; k++)
	{
		shag *= -1 * a * a / 2.0 / k / (2 * k - 1);
		sx += shag * (2 * k * k + 1);
	}
	return sx;
}

double y_from_x (double a) {
	return (1 - a * a / 2.) * cos(a) - a / 2. * sin(a);
}

void Out_Rez(double a, double b, double h, func f) {
	for (double x = a; x <= b; x += h) {
		cout << setw(15) << f(x) << endl;
	}
}

int main() {

	setlocale(LC_ALL, "");
	double a, b, h;

	cout << "Введите а\n";
	cin >> a;
	cout << "Введите b\n";
	cin >> b;
	cout << "Введите шаг\n";
	cin >> h;
	cout << "Введите n";
	cin >> n;
	Out_Rez( a, b, h, y_from_x);
	cout << "--------------------------------------------------------------------------------"<< endl;
	Out_Rez(a, b, h, s_from_x);
}