Calculate and return the arctangent (inverse tangent) of a number.
| SELECT ATAN(2.5); |
The ATAN() function computes the arctangent (inverse tangent) of a number.
| ATAN(number) |
|
Parameter |
Description |
|
number |
Required. A numerical value for which the arc cosine will be calculated. |
|
Works in: |
Available in SQL Server from 2008 onward, as well as in Azure SQL Database, Azure SQL Data Warehouse, and Parallel Data Warehouse. |
Compute and return the arctangent (inverse tangent) of a specified number.
| SELECT ATAN(-45.01); |