NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | ATTRIBUTES | SEE ALSO
cc [ flag ... ] file ... -lm [ library ... ] #include <math.h>double tan(double x);
Upon successful completion, tan() returns the tangent of x.
If x is NaN or ±Inf, NaN is returned.
No errors will occur.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
MT-Level | MT-Safe |
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | ATTRIBUTES | SEE ALSO