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ATAN Function

  • Article

Returns the arctangent of a number, for example, the angle whose tangent is number. The resulting angle is in the range -PI/2 <= angle <= PI/2 radians (-90 <= angle <= 90 degrees).

Syntax

ATAN(number )

Parameters

Name Required/Optional Data Type Description
number
Required
Numeric
The tangent of the angle.

Example

ATAN(1)

Returns 45 deg