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Sunday, 29 April 2012

tan example in C

Header file:

     double tan(double x);

     Returns tangent value of x.

tan function in C example:

  int main() {
         * degree to radian conversion
         * radian = degree * PI/180;
      double deg, radian;
        printf("Enter your input:");
        scanf("%lf", &deg);
        deg = deg * (3.14 / 180);
        radian = tan(deg);
        printf("Result: %lf\n", radian);
        return 0;

  jp@jp-VirtualBox:~/cpgms/math$ gcc tan.c -lm
  jp@jp-VirtualBox:~/cpgms/math$ ./a.out
  Enter your input:45
  Result: 0.999204

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