This documentation is related to an older version of Firebolt. For the most current documentation, see Firebolt documentation.
ATAN
Calculates the arc tangent of the real number returned by the specified expression <expression>.
Syntax
ATAN(<expression>)
Parameters
| Parameter | Description | Supported input types |
|---|---|---|
<expression> | The expression that the ATAN function is applied to | Any expression that evaluates to a real number |
Return Type
DOUBLE PRECISION
Example
The following example returns the arc tangent of the specified literal value 90:
SELECT
ATAN(90);
Returns: 1.5596856728972892