[Table of Contents] [docx version]

SpreadsheetML Reference Material - Table of Contents

ACOS

Syntax:

ACOS ( x )

Description: Computes the arc cosine of x.

Arguments:

Name

Type

Description

x

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]