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    Categories: Math

    ACOS

    Computes the arcccosine (inverse cosine) of a value in radians

    Syntax

    ACOS(numeric_expression NUMERIC) → FLOAT

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

    Examples

    SELECT ACOS(0)
    -- 1.5707963267948966
    
    SELECT ACOS(1.0)
    -- 0.0
    
    SELECT ACOS(-1)
    -- 3.141592653589793