Excel Function : ACOS

Download now!

Excel Function : ACOS


Math and trigonometry


Returns the arccosine of a number

Microsoft Excel Reference Page


Syntax and Description of the ACOS Excel Function

The syntax for the ACOS function in Microsoft Excel is: =ACOS(number) Where "number" is the number for which you want to find the arc cosine.

About ACOS Excel Function

The ACOS function returns the arccosine, or inverse cosine, of a number. The number must be between -1 and 1.