ACOS

Categories: Math

ACOS

Computes the arccosine (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

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SELECT ACOS(0)
-- 1.5707963267948966

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SELECT ACOS(1.0)
-- 0.0

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SELECT ACOS(-1)
-- 3.141592653589793