Outdated Version

You are viewing an older version of this section. View current production version.

ATAN

Returns the arc tangent of x.

Syntax

ATAN (x)

Arguments

  • x: the argument

Return Type

Float or double.

Examples

select atan(1);
+--------------------+
| atan(1)            |
+--------------------+
| 0.7853981633974483 |
+--------------------+