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version 11
ACOS (arithmetic_expression)
Description
The ACOS function returns the arc cosine of the arithmetic_expression. It is the inverse of the COS function. The arithmetic_expression represents the angle expressed in radians.
Example
This example will return the arc cosine of the angle expressed in radians (-0.73):
SELECT ACOS(-0.73) FROM TABLES_OF_ANGLES;See Also
COS.
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