COS
The COS function returns the cosine of the input argument.
Syntax
COS (argument)
Remarks
The table lists the valid input argument data types and the resulting output data types.
Data Type of Argument | Output Type | Notes |
BIGINT, DECIMAL, FLOAT, INTEGER, NUMERIC, REAL, SMALLINT, TINYINT | FLOAT | Input argument is in radians.
Output value is between ‑1.0 and +1.0. |
NULL | NULL | |
Example
SELECT COS(PI()/6);
The result is 0.8660254037844387.