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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	float f = 2*cosf(1.57079637f);
  7. 	cout << f;
  8. 	return 0;
  9. }
Success #stdin #stdout 0.01s 5468KB
comments (?)
stdin 
Standard input is empty
stdout 
-8.74228e-08
https://ideone.com/Ctypr4
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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