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

int main()
{
float a;
double z1, z2;
printf("\n введите альфа:\n");
scanf("%f", &a);
x1 = (pow(sin(pi/2 + 3*a)/(1 - sin(3*pi)));
x2 = (pow(ctg((5/4)*pi))+(3/2)*a));
printf("\n z1 = %f\n z2 =%f\n",z1,z2);
system("pause");
return 0;
}