[Table of Contents] [docx version]
SpreadsheetML Reference Material - Table of Contents
ACOS ( x )
Description: Computes the arc cosine of x.
Arguments:
|
Name |
Type |
Description |
|
number |
The value whose arc cosine is to be determined. |
Return Type and Value: number – The arc cosine of x.
However, if x is outside the interval [-1,+1], #NUM! is returned
[Example:
ACOS(-1) results in 3.141592654
ACOS(0) results in 1.570796327
ACOS(1) results in 0
end example]