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



NAME
       tan, tanf, tanl - tangent function

SYNOPSIS
       #include <&lt;math.h>&gt;

       double tan(double x);
       float tanf(float x);
       long double tanl(long double x);

       Link with -lm.

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

CONFORMING TO
       SVr4, 4.3BSD, C89.  The float and long double variants are C99 require-
       ments.

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

COLOPHON
       This  page  is  part of release 3.05 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.



                                  2002-07-27                            TAN(3)