Link Search Menu Expand Document

ATAN

Calculates the arc tangent of the real number returned by the specified expression <expr>.

Syntax

ATAN(<expr>)
Parameter Description
<expr> Any expression that evaluates to a real number.

Example

The following example returns the arc tangent of the specified literal value 90.

SELECT
    ATAN(90);

Returns: 1.5596856728972892