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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main() {
  5.     double x, resultado;
  6.     int N, n;
  7.  
  8.     resultado = 0.0;
  9.  
  10.     scanf("%lf", &x);
  11.     scanf("%d", &N);
  12.  
  13.     for (n = 0; n <= N; n++) {
  14.         double termo = pow(-1, n) * pow(x, 2 * n) / (tgamma(2 * n + 1));
  15.         resultado += termo;
  16.     }
  17.  
  18.     printf("cos(%.2lf) = %.6lf\n", x, resultado);
  19.  
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5304KB
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2
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stdout
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cos(2.00) = -0.416147
https://ideone.com/zAmvul
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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