ATAN

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

Syntax

ATAN(x)

Arguments

Arguments	Description
x	The angle, in radians.

Return Type

A Float64 data type value.

Examples

mysql> SELECT ATAN(-2);
+---------------------+
| ATAN((- 2))         |
+---------------------+
| -1.1071487177940906 |
+---------------------+
1 row in set (0.02 sec)