Syntax of ATN2 Function :
ATN2 (float_expression1,float_expression2)
float_expression1 is an expression of float type.
float_expression2 is an expression of float type.
Return type of ATN2 is float data type.
Examples of ATN2 Function :
Example 1 : Use of ATN2 function in select clause
SELECT ATN2(-25.234,25)
Output
-0.790056329331154
Above example returns angle in radians for specified values.