How to Use ATAN Function

The ATAN function returns the arctangent, or inverse tangent, of a number. The returned angle is given in radians in the range -pi/2 to pi/2.




Number is required, the tangent of the angle you want.


– The result is the angle in radians, use 180/PI() or use the DEGREES function to convert into degrees.

Download: ATAN Function

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