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Applies to: ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel
Calculates the angle whose cosine is the specified number. Inverse operation of cos().
acos(x)
Learn more about syntax conventions.
| Name | Type | Required | Description |
|---|---|---|---|
| x | real |
✔️ | The value used to calculate the arc cosine. |
The value of the arc cosine of x. The return value is null if x < -1 or x > 1.