atan
Description
Syntax:
DOUBLE atan(DOUBLE x)
This function returns the arctangent of x, where x is in radians.
Example
mysql> select atan(0);
+-----------+
| atan(0.0) |
+-----------+
| 0 |
+-----------+
mysql> select atan(2);
+--------------------+
| atan(2.0) |
+--------------------+
| 1.1071487177940904 |
+--------------------+Keywords
ATAN