TAN(3)

NAME
1.55 `tan', `tanf'--tangent

SYNOPSIS
     #include <math.h>
     double tan(double X);
     float tanf(float X);

DESCRIPTION
`tan' computes the tangent of the argument X. Angles are specified in radians.
   `tanf' is identical, save that it takes and returns `float' values.

RETURNS
The tangent of X is returned.

PORTABILITY
`tan' is ANSI. `tanf' is an extension.

SEE ALSO
tan is part of the library. The full documentation for is maintained as a Texinfo manual. If info and are properly installed at your site, the command

    info

will give you access to the complete manual.