ACOS function
Returns the arccosine of a number
Returns the arccosine, or inverse cosine, of a number. The arccosine is the angle whose cosine is number. The returned angle is given in radians in the range 0 (zero) to pi.
Syntax
ACOS(number)Square brackets indicate optional arguments.
Arguments
| Argument | Required | Meaning |
|---|---|---|
| number | Yes | The cosine of the angle you want and must be from -1 to 1.0 |
Try ACOS
Evaluate ACOS with a stated domain
=ACOS(A2)A cosine of 0.5 corresponds to pi/3 radians. The input must be between -1 and 1. Edit A2 to try another input in the stated domain.
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ACOS · top-level call
=ACOS(A2)Follow the cells behind a result
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Reference and compatibility
Univer 1.0.4 / Apache-2.0. Calculation checks cover the supplied examples only. The browser worksheet does not implement every Excel feature, external service or connected data type.