ACOS
Calculates the arc cosine of a value <val>. ACOS returns NULL if <val> is higher than 1.
Syntax
ACOS(<val>)
| Parameter | Description |
|---|---|
<val> | Valid values include column names, functions that return a column with numeric values, and constant numeric values. |
Example
SELECT
ACOS(0.5);
Returns: 1.0471975511965979