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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4. double sin (double x, double e) {
  5.      double k, a = x;
  6.      double s = x;
  7.      int n=1;
  8.      while (abs(a) > e) {
  9. 	   k = - x * x / (2 * n * (2 * n + 1));
  10. 	   a *= k;
  11. 	   s += a;
  12. 	   n++;
  13.      }
  14.      return s;
  15. }
  16. int main () {
  17.       double x, e;
  18.       cin >> x >> e;
  19.       cout << endl << sin(x, e);
  20. }
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https://ideone.com/N7KGS3
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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