ACOS
Returns the arccosine of a number.
Math & TrigonometryMath Basics
What it does
Returns the arccosine (inverse cosine) of a number, in radians.
Syntax
ACOS(number)
Arguments
number(number) — The cosine of the angle (must be between -1 and 1).
Examples
Calculate angle
Get the arccosine of 0.5 in radians.
FORMULA
=ACOS(A2)
RESULT
1.047
SAMPLE DATA
| A | |
|---|---|
| 1 | Value |
| 2 | 0.5 |