## How to use the Excel ACOS function

The ACOS function returns the arccosine, or inverse cosine, of a number. The arccosine is the angle whose cosine is number. The returned angle is …

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# Tag: ACOS

## How to use the Excel ACOS function

The ACOS function returns the arccosine, or inverse cosine, of a number. The arccosine is the angle whose cosine is number. The returned angle is …

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