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



NAME
       tan, tanf, tanl - tangent function

SYNOPSIS
       #include <math.h>

       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(1,8) radi-
       ans.

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899.  The float and the long double  vari-
       ants are C99 requirements.

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



                                  2002-07-27                            TAN(3)