Lab 2(9)

#include <iostream>
#include <cmath>
using namespace std;
int main()

{
	
	float x, y=0;
	cout << "vvedite x";
	cin >> x;
	
	if (x == 0)
	{
	    cout << endl << "net resenia";	
	}
	
	else
	{
		y += (log(abs(cos(x)))) / (log(1 + x*x));
		
		cout << endl << y;
	}

	return 0;
}