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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6.     double x, a;
  7.     cout << "x = ";
  8.     cin >> x;
  9.     cout << "a = ";
  10.     cin >> a;
  11.  
  12.     double R = sqrt(9.0/16 + pow(cos(x), 4) - 0.5 * pow(sin(a * x), 2));
  13.     cout << "R24 = " << R << endl;
  14.  
  15.     return 0;
  16. }
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
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x = a = R24 = 1.25
https://ideone.com/ZWpHAC
language:
C++ (gcc 8.3)
created:
14 days ago
visibility:
public

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