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tanh

Usage

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

   ANSI

Description

   Return the hyperbolic tangent of x. x is measured in radians.

Example 

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

   int main()
   {
       double d = .495;

       printf("The hyperbolic tan of .495 is [%f]\n"
               ,tanh(d));
       return EXIT_SUCCESS;
   }

Return Value

   Returns hyperbolic tangent of x.