ACOS is the inverse of COS : COS « Math Functions « SQL Server / T-SQL

1. SQL Server / T-SQL
2. Math Functions
3. COS

ACOS is the inverse of COS

1> -- ACOS is the inverse of COS:
2>
3> SELECT COS(ACOS(0.5))
4> GO

------------------------
     0.49999999999999989

(1 rows affected)
1>
           
       

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