COS( numeric-expression )

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

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

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

SELECT COS( 0.52 );