atan( number )
Returns the arctangent(s) of the specified number(s) in radians.
| Keyword | Type | Description |
|---|---|---|
|
|
Decimal |
A number or array of numbers, the arctangent(s) of which will be returned. |
Decimal
This function can only be applied for numbers between -1 and 1.
atan(1) returns 0.7853981633974483
