#include <iostream>

#include <cmath>

using namespace std;

int main(){

   float a,b,x,y,Answer;

   cout << "Enter a: \n";

   cin >> a;

   cout << "Enter b: \n";

   cin >> b;

   cout << "Enter x: \n";

   cin >> x;

   cout << "Enter y: \n";

   cin >> y;

   float DownSide = ((1 - cos(2 * ((2 * asin(x)) + log10(y)))) / 2);

   if(DownSide == 0){

       cout << "Can't divide by zero \n";

   }else{

       Answer = ((pow(y, -a * x)) - (a * sqrt(6)) - (cos(3 * a * b))) / DownSide;

       cout << "Your answer:  \n";

       cout << Answer;

   }

return 0;  

}