ACOS Function (DAX)

How does the ACOS function work?

The ACOS function (DAX) works by returning a number’s arccosine or inverse cosine. The arccosine is the angle whose cosine is number. The angle of return is in radians that are in between the range of 0 to pi.

ACOS Formula Syntax


How do you use the ACOS function?

If you want to change your result from radians to degrees, you can do so by multiplying it by 180/PI or by using the DEGREES function.

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ACOS Function (DAX)
ACOS Function (DAX)
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Considerations when using the ACOS function

By returning the inverse of the cosine function, this function will return the angle whose cosine is a given number.

Related Video Tutorials

Formula examples using the ACOS function



=ACOS (0.5)

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Download our comprehensive DAX Formula Reference Guide as perfect companion as you learn how to use DAX formulas within Power BI.

Download DAX Formulas Reference Guide
Download DAX Formula Reference Guide