cos(3) - Linux man page
Name
cos, cosf, cosl - cosine function
Synopsis
#include <math.h>
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 radians.
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 requirements.
See Also
acos(3),
asin(3),
atan(3),
atan2(3),
ccos(3),
sin(3),
tan(3)
Referenced By
im_tantra(3),
sincosl(3)
