Description
The ATAN( ) function returns the arc tangent of X.
This function has the form:
SELECT ATAN(x)| Parameter | Description |
|---|---|
| x | A number |
Return Value
The arc tangent of X.
Examples
The following example shows the basic use of this function:
mysql> SELECT ATAN(2);
-> 1.1071487177941
mysql> SELECT ATAN(-2);
-> -1.1071487177941