Returns the angle (in radians) of the specified sine and cosine.

atn2(sine,cosine)

*sine*is the sine of the angle, expressed as a column name, variable, or constant of type

*float*,*real*,*double precision*, or any datatype that can be implicitly converted to one of these types.

*cosine*is the cosine of the angle, expressed as a column name, variable, or constant of type

*float*,*real*,*double precision*, or any datatype that can be implicitly converted to one of these types.

select atn2(.50, .48)

-------------------- 0.805803

**atn2**, a mathematical function, returns
the angle (in radians) whose sine and cosine are specified.

ANSI SQL – Compliance level: Transact-SQL extension.

Any user can execute **atn2**.