// Laba_3.6_II_var.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <iomanip>
#include <math.h>
using namespace std;

long double fact(int N)
{
    if(N<0) 
        return 0; 
    if (N==0) 
        return 1; 
    else 
        return N*fact(N-1); 
}

int main()
{
	double a,b,y,s,x,h,p;
	int n;
	cout<<"Vvedite a, b, n:\n";
	cin>>a>>b>>n;
	h=(b-a)/10;
	x=a;
	int i;
	do
	{
		s=0;
		for(i=0;i<=n;i++)
		{
			p=pow(x,2*i)/fact(2*i);
			s+=p;
			//cout<<s;
		}
		y=(exp(x)+exp(-x))/2;
		x+=h;
		cout<<setw(15)<<s<<setw(15)<<y<<endl;
	}
	while(x<b);
	system("pause");
	return 0;
}