SQL Server/T-SQL/Math Functions/ASIN
ASIN: Returns as a float data type, the angle in radians to the entered sine
1> -- ASIN: Returns as a float data type, the angle in radians to the entered sine.
2> -- This function is the inverse of SIN.
3>
4> SELECT ASIN(0.35)
5> GO
------------------------
0.35757110364551026
(1 rows affected)
1>