acos()
Learn how to use the acos() function to calculate the angle of the cosine input.
Calculates the angle whose cosine is the specified number. Inverse operation of cos().
Syntax
acos(x)
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| x | real | ✔️ | The value used to calculate the arc cosine. |
Returns
The value of the arc cosine of x. The return value is null if x < -1 or x > 1.
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