Given an angle in radians, returns the corresponding angle in degrees.
DEGREES(numeric_expression)
Returns the same type as numeric_expression.
This example returns the number of degrees in an angle of PI/2 radians.
SELECT 'The number of degrees in PI/2 radians is: ' +
CONVERT(varchar, DEGREES((PI()/2)))
GO
Here is the result set:
The number of degrees in PI/2 radians is 90
(1 row(s) affected)