В - 3 зд - 2 вычислить зн-ие ф-ии

#include <iostream>
#define _USE_MATH_DEFINES
#include <math.h>
#define w(x,y) (2 * x * y) / (x + cos(y))
#define f(x,y,z) sqrt(x * sin(2 * y)) / (z + pow(M_E,x) * y)
using namespace std;
int main() {
    const double x = 2.87, y = 0.84;
    double z = w(x, y);
    double b = f(x, y, z);
    cout << "z = " << z << '\n';
    cout << "b = " << b;
    return 0;
}