ATAN

Description

Returns the arctangent of x, where x is in radians.

Syntax

ATAN(<x>)

Parameters

Parameter	Description
<x>	The value for which the atan value is to be calculated

Return Value

The atan value of parameter x.

Example

select atan(0);

+-----------+
| atan(0.0) |
+-----------+
|         0 |
+-----------+

select atan(2);

+--------------------+
| atan(2.0)          |
+--------------------+
| 1.1071487177940904 |
+--------------------+