Description
Static function that returns the cosine of an angle in radians
().
Sample Source Pattern
Syntax
Math.cos( expression )
Arguments
expression: Numeric expressions.
Return Type
Same data type sent through parameter as a numeric expression.
Examples
CREATE OR REPLACE FUNCTION compute_cos(angle float)
RETURNS float
LANGUAGE JAVASCRIPT
AS
$$
return Math.cos(ANGLE);
$$
;
SELECT COMPUTE_COS(PI());
COMPUTE_COS(PI())|
-----------------+
-1|
