ATAN

Syntax

ATAN(X)

Description

Returns the arc tangent of X, that is, the value whose tangent is X.

Examples

SELECT ATAN(2);
+--------------------+
| ATAN(2)            |
+--------------------+
| 1.1071487177940904 |
+--------------------+

SELECT ATAN(-2);
+---------------------+
| ATAN(-2)            |
+---------------------+
| -1.1071487177940904 |
+---------------------+

_{This page is licensed: GPLv2, originally from fill_help_tables.sql}