COS
NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO
cos - cosine function
#include x);
The cos() function returns the cosine of x, where x is given in radians.
The cos() function returns a value between -1 and 1.
SVID 3, POSIX, BSD 4.3, ISO 9899
acos(3), asin(3), atan(3), atan2(3), sin(3), tan(3)
