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tan

Usage

   #include <math.h>
   double tan(double x);

   ANSI

Description

   Return the tangent x, where x is measured in radians.

Example 

   #include <stdio.h>
   #include <math.h>
   #include <stdlib.h>

   int main()
   {
       double d = .45987;
       printf("The tangent of .45987 is [%f]\n",tan(d));
       return EXIT_SUCCESS;
   }

Return Value

   Returns the tangent of x.