 Formulas > =ATAN()

# How To Use ATAN() Function in Google Sheets

Description

Returns the inverse tangent of a value, in radians.

Common questions about the ATAN formula:
What is the ATAN formula in Google Sheets?
How does the ATAN formula work?

How can the ATAN formula be used appropriately?
The ATAN formula can be used to calculate the arc tangent of a number in Google Sheets. It is used to compute the angle of a given point relative to the positive x-axis of a two-dimensional coordinate system.

How can the ATAN formula be commonly mistyped?
The ATAN formula often gets confused with the Arctangent (ATAN2) formula which requires two inputs.

What are some common ways the ATAN formula is used inappropriately?
The ATAN formula should not be used when trying to calculate the arctangent of an angle from the coordinate plane. The ATAN2 formula should be used for that purpose.

What are some common pitfalls when using the ATAN formula?
The ATAN formula should only be used for single inputs, not for two-dimensional inputs. It is also important to remember that the output from the formula will be in radians and not in degrees.

What are common mistakes when using the ATAN Formula?
Common mistakes when using the ATAN formula include not entering the correct input into the formula, not using the correct formula for two-dimensional calculations, and forgetting to convert the output from radians to degrees.

What are common misconceptions people might have with the ATAN Formula?
One common misconception people might have with the ATAN formula is that it will automatically convert the output from radians to degrees. It is important to remember to manually convert the output if necessary.

How To Actually Use ATAN() in Sheets

`ATAN(value)`

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