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

int main()
{
float a, b;
double x1, x2;
printf("\n Enter alpha and betta:\n");
scanf("%f%f", &a);
x1 = (sin(pi/2 + 3*a)/(1 - sin(3*a-pi));
x2 = ctg((5/4)*pi))+(3/2)*a);
printf("\n x1 = %f\n x2 =%f\n",x1,x2);
system("pause");
return 0;
}