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atan()
Returns the angle whose tangent is the specified number. This is the inverse operation of tan().
Syntax
atan(x)
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| x | real | ✓ | The number used to calculate the arc tangent. |
Returns
The value of the arc tangent of x.
Example
atan(0.5)
Results
| result |
|---|
| 0.46364760900080609 |