How does the ATAN function (DAX) work?
The ATAN Function (DAX) returns the arctangent or the inverse tangent value. The arctangent is the angle whose tangent is number. The returned angle is given in radians in the range -pi/2 to pi/2.
ATAN Formula Syntax
How do you use the ATAN function?
To express the arctangent in degrees, you can simply multiply the result by 180/PI( ) or use the DEGREES function.
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Considerations when using the ATAN function
Its parameter is a number which is the tangent of the angle you want.
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Formula examples using the ATAN function