Converts a number from radians to cosine.

Syntax

COS( numeric-expression )

Parameters

Remarks

The COS function returns the cosine of the angle given by numeric-expression.

This function converts its argument to DOUBLE, performs the computation in double-precision floating point, and returns a DOUBLE as the result. If the parameter is NULL, the result is NULL.

See also

• ACOS function [Numeric]
• COT function [Numeric]
• SIN function [Numeric]
• TAN function [Numeric]

Standards and compatibility

Example

The following statement returns the value of the cosine of an angle 0.52 radians.

SELECT COS( 0.52 );