ATAN

ExtrAXION

 

ATAN

Returns the arctangent of a number, the angle whose sine is this number. The angle is in radians, in the range –pi/2 to pi/2.

Syntax

ATAN(number)

Number is the tangent of the desired angle

Comment

In order to express the arctangent in degrees, you have to multiply the result by 180/pi(), or use the DEGREES function.