The ATAN function returns the arc tangent of a value.
The value returned is an angle measured in radians.
This example returns the arc tangent of the input values.
SELECT ATAN(-45.01) AS '-45.01',
ATAN(0) AS '0',
ATAN(197.1099392) AS '197.1099392'
| -45.01 | 0 | 197.1099392 |
|---|---|---|
| -1.54858269620627 | 0 | 1.54858269620627 |
Syntax of the ATAN function.
ATAN(value)
value -- a number or column name.
