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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int number;
  7. 	double x;
  8. 	cin>>x>>number;
  9. 	double value;
  10. 	double partial_amount=0;
  11. 	int n=1;
  12. 	while(n<=number){
  13. 		value=(cos((n*x))-cos(((n+1)*x)))/n;
  14. 		cout<<value<<" ";
  15. 		partial_amount+=value;
  16. 		n++;
  17. 	}
  18. 	cout<<endl;
  19. 	cout<<partial_amount;
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 16064KB
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100 4
stdout
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0.375131 0.254642 0.167733 0.0896382 
0.887145
https://ideone.com/cbiwRG
сумма ряда(лаб)
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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