#include <iostream>
#include<math.h>
using namespace std;
int main()
{
setlocale(LC_ALL, "Ukrainian");
float a, b, x, m, r;
cout << "a=";
cin >> a;
if (a >= 3.6)
b = pow ((a - 2.1) / 5);
else b = 3 + (pow(a, 2) / 5);
x = (1.2*pow(b, 3) - exp(fabs(a))) / pow((2 * a - b), 2);
m = atan(fabs(x / pow(a, 2))) - sqrt(2 * a*a*sqrt(3 * x*x));
r = (m / (3 * a)) - (2 * (sin(m*m + pow(a, 4)) / cos(m*m + pow(a, 4)))) / sqrt(fabs(m - a));
cout << "при a=" << a << "b=" << b << "x=" << x << "m=" << m << "r=" << r;
return 0;
}
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b = pow ((a - 2.1) / 5)
- Почему подчеркивает pow?