COS in JS

Description

Static function that returns the cosine of an angle in radians (JavaScript COS function Documentation).

Sample Source Pattern

Syntax

Math.cos( expression )

Arguments

expression: Numeric expressions.

Return Type

Same data type sent through parameter as a numeric expression.

Examples

Query

CREATE OR REPLACE FUNCTION compute_cos(angle float)
  RETURNS float
  LANGUAGE JAVASCRIPT
AS
$$
  return Math.cos(ANGLE); 
$$
;
SELECT COMPUTE_COS(PI());

Result

COMPUTE_COS(PI())|
-----------------+
               -1|