NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ATTRIBUTES | SEE ALSO | STANDARDS
#include <math.h>double cos(double x);
The cos function computes the cosine of x (measured in radians). A large magnitude argument may yield a result with little or no significance. For a discussion of errors due to rounding off, see math(3M).
The cos function returns the cosine value.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
Interface Stability | Evolving |
The cos function conforms to ANSI-C.
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ATTRIBUTES | SEE ALSO | STANDARDS