Returns the arctangent of a number in radians.
Söz dizimi
ATAN(number)Bağımsız değişkenler
numberzorunlu
The tangent of the angle you want to find.
The ATAN function calculates the arctangent of a given number, returning an angle in the range -pi/2 to pi/2. To convert the result from radians to degrees, you can use the DEGREES function.
=ATAN(1)→0.785398163Returns the arctangent of 1, which is pi/4 radians.
=DEGREES(ATAN(1))→45Converts the result of ATAN(1) from radians to degrees.
Select a cell
Click on the cell where you want to display the result.
Enter the formula
Type =ATAN(number) and replace 'number' with the value or cell reference.
Press Enter
Press Enter to calculate the arctangent value.
The ATAN function returns an angle in radians between -pi/2 and pi/2.
You can wrap the ATAN function in the DEGREES function, like =DEGREES(ATAN(number)).