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.