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ATAN Function (DAX)

Owen Duncan|Last Updated: 5/22/2018

Returns the arctangent, or inverse tangent, of a number. The arctangent is the angle whose tangent is number. The returned angle is given in radians in the range -pi/2 to pi/2.

Syntax

ATAN(number)  

Parameters

TermDefinition
numberThe tangent of the angle you want.

Return Value

Returns the inverse hyperbolic tangent of a number.

Remarks

To express the arctangent in degrees, multiply the result by 180/PI( ) or use the DEGREES function.

Example

FormulaDescriptionResult
=ATAN(1)Arctangent of 1 in radians, pi/40.785398163
=ATAN(1)*180/PI()Arctangent of 1 in degrees45
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