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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void) {
  5.  
  6. double angle, sin_val, cos_val, tan_val;
  7.  
  8. printf("각도 (라디안) 입력: ");
  9. scanf("%lf", &angle);
  10.  
  11. sin_val = sin(angle);
  12. cos_val = cos(angle);
  13. tan_val = tan(angle);
  14.  
  15. printf("sin(%.2lf) = %lf\n", angle, sin_val);
  16. printf("cos(%.2lf) = %lf\n", angle, cos_val);
  17. printf("tan(%.2lf) = %lf\n", angle, tan_val);
  18.  
  19. return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5316KB
stdin
Standard input is empty
stdout
각도 (라디안) 입력: sin(0.00) = 0.000000
cos(0.00) = 1.000000
tan(0.00) = 0.000000