TAN(3)              Linux Programmer's Manual              TAN(3)

NAME
       tan - tangent function

SYNOPSIS
       #include <math.h>

       double tan(double x);

DESCRIPTION
       The  tan()  function  returns the tangent of x, where x is
       given in radians.

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899

SEE ALSO
       acos(3), asin(3), atan(3), atan2(3), cos(3), sin(3)

                           June 8, 1993                         1