Loading lesson path
Concept visual
Start at both ends
Return the arc cosine of a number:
SELECT ACOS(0.25);The ACOS() function returns the arc cosine of a number.
Formula
The specified number must be between - 1 to 1, otherwise this function returns NULL.number )
Required. A numeric value
SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse
Return the arc cosine of a number:
SELECT ACOS(-0.8);❮ SQL Server Functions