ATAN
Description
ATAN returns the arctangent of a number.
Syntax
ATAN ( number )
|
Parameter |
Description |
|
number |
The tangent of the angle. |
Remarks
The resulting angle is returned in radians, ranging from -pi/2 to pi/2. To convert the resulting radians to degrees, multiply the radians by 180/pi( ).
Examples
This function returns 1.29:
ATAN(3.5)
This function returns -1.33:
ATAN(4)
Also, see