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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4.  
  5.  
  6. int main() {
  7. 	double x, elem, sum = 0, delta;
  8. 	cin >> x >> delta;
  9. 	double si = sin(x), rs = 1 + delta;
  10. 	elem = x;
  11. 	for (int i = 1; rs > delta; i++) 
  12. 	{
  13. 		sum += elem;
  14. 		elem *= (-1) * x * x / (2 * i)/(2 * i + 1);
  15. 		rs = fabs( si - sum);
  16. 	}
  17. 	cout << " x = ";
  18. 	cout << " sin(" << x << ") = "<< sum << endl;
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 3476KB
comments (?)
stdin
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2.09 0.0001
stdout
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 x =  sin(2.09) = 0.868296
https://ideone.com/ykdWnD
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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