Returns the size, in degrees, of the angle specified in radians.
degrees(numeric)
is a number, in radians, to convert to degrees.
select degrees(45)
----------- 2578
degrees, a mathematical function, converts radians to degrees. Results are of the same type as the numeric expression.
For numeric and decimal expressions, the results have an internal precision of 77 and a scale equal to that of the expression.
ANSI SQL – Compliance level: Transact-SQL extension.
Any user can execute degrees.
Documentation Transact-SQL Users Guide
Function radians