acos.md

description
Computes the arccosine (inverse cosine) of a value in radians.

ACOS

Syntax

ACOS(numeric_expression NUMERIC) → FLOAT

• numeric_expression: The number in radians. This must be DOUBLE, INTEGER, or FLOAT.

Examples

{% code title="ACOS example" %}

SELECT ACOS(0)
-- 1.5707963267948966

{% endcode %}

{% code title="ACOS example" %}

SELECT ACOS(1.0)
-- 0.0

{% endcode %}

{% code title="ACOS example" %}

SELECT ACOS(-1)
-- 3.141592653589793

{% endcode %}