TAN in JS

Description

Function that returns the tangent of an angle in radians. (JavaScript TAN function Documentation).

Sample Source Pattern

Syntax

Math.tan( expression )

Arguments

expression: Angle in radians as a numeric expression.

Return Type

Same data type sent through parameter as a numeric expression.

Examples

Query

CREATE OR REPLACE FUNCTION compute_tan(angle float)
  RETURNS float
  LANGUAGE JAVASCRIPT
AS
$$
  return Math.tan(ANGLE); 
$$
;
SELECT COMPUTE_TAN(PI());

Result

COMPUTE_TAN(PI())|
-----------------+
 -1.224646799e-16|