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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. int main()
  5. {
  6. 	double theta;
  7. 	const double max = 6.28318; //estimate of 2pi
  8. 	const int iterations = 20; //number of times to iterate - 1( the zero )
  9. 	const double threshold = 0.0000001;
  10.  
  11. 	for( theta = 0.0; theta < max + threshold; theta += max / iterations )
  12. 	{
  13.     	std::cout << "Cos(" << theta << ") = " << cos( theta ) << std::endl;
  14.     	//repeat for sin and tan.
  15. 	}
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
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Cos(0) = 1
Cos(0.314159) = 0.951057
Cos(0.628318) = 0.809017
Cos(0.942477) = 0.587786
Cos(1.25664) = 0.309018
Cos(1.57079) = 1.32679e-06
Cos(1.88495) = -0.309015
Cos(2.19911) = -0.587784
Cos(2.51327) = -0.809016
Cos(2.82743) = -0.951056
Cos(3.14159) = -1
Cos(3.45575) = -0.951057
Cos(3.76991) = -0.809019
Cos(4.08407) = -0.587788
Cos(4.39823) = -0.309021
Cos(4.71239) = -3.98038e-06
Cos(5.02654) = 0.309013
Cos(5.3407) = 0.587782
Cos(5.65486) = 0.809014
Cos(5.96902) = 0.951055
Cos(6.28318) = 1
https://ideone.com/4g8JHu
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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