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ACOS Function (DAX)

Owen Duncan|Last Updated: 5/22/2018

Returns the arccosine, or inverse cosine, of a number. The arccosine is the angle whose cosine is number. The returned angle is given in radians in the range 0 (zero) to pi.

Syntax

ACOS(number)  

Parameters

TermDefinition
NumberThe cosine of the angle you want and must be from -1 to 1.

Return Value

Returns the arccosine, or inverse cosine, of a number.

Remarks

If you want to convert the result from radians to degrees, multiply it by 180/PI() or use the DEGREES function.

Example

FormulaDescriptionResult
=ACOS(-0.5)Arccosine of -0.5 in radians, 2*pi/3.2.094395102
=ACOS(-0.5)*180/PI()Arccosine of -0.5 in degrees.120
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