COS(3) Linux Programmer's Manual COS(3)
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 9899
acos, asin, atan, atan2, sin, tan,
June 8, 1993 1
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