Author: Oscar Cronquist Article last updated on March 27, 2018

The ATAN function calculates the arctangent of a number. The returned angle is in radians between -pi/2 to pi/2.


Excel Function Syntax



number Required. The tangent of the angle.


Use the DEGREES function to convert radians to degrees.


How to use the DEGREES function

The DEGREES function calculates degrees from radians. Formula in cell C3: =DEGREES(B3) Excel Function Syntax DEGREES(angle) Arguments angle Required. The […]

How to use the DEGREES function