atan

Syntax

atan(tangent )

Parameters

• tangent – is the tangent 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.

Examples

• Example 1 – Returns the angle of a tangent of 0.50:

  select atan(0.50)

  -------------------- 
               0.463648 

Usage

See also Transact-SQL Users Guide.

Standards

ANSI SQL – Compliance level: Transact-SQL extension.

Permissions

Any user can execute atan.