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COS
Section: Linux Programmer's Manual (3)Updated: 1993-06-08
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NAME
cos - cosine functionSYNOPSIS
#include <math.h> double cos(double x);
DESCRIPTION
The cos() function returns the cosine of x, where x is given in radians.RETURN VALUE
The cos() function returns a value between -1 and 1.CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899SEE ALSO
acos(3), asin(3), atan(3), atan2(3), sin(3), tan(3)