Man Cos en anglais
COS(3)                     Linux Programmer's Manual                    COS(3)



 

NAME


       cos, cosf, cosl - cosine function

 

SYNOPSIS


       #include 

       double cos(double x);
       float cosf(float x);
       long double cosl(long double x);

       Link with -lm.

 

DESCRIPTION






       The  cos()  function returns the cosine of x, where x is given in radi-
       ans.

 

RETURN VALUE


       The cos() function returns a value between -1 and 1.

 

CONFORMING TO


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

 

SEE ALSO


       acos(3), asin(3), atan(3), atan2(3), ccos(3), sin(3), tan(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                            COS(3)