The ATAN function in Excel returns the arctangent (inverse tangent) of a given number. It is a mathematical function that can be used to find the angle whose tangent is equal to the given number.
How to use ATAN() function in Excel:
To use the ATAN function in Excel, follow these steps:
- Select the cell where you want to display the result.
- Type the following formula into the formula bar: =ATAN(number), where “number” is the value for which you want to find the arctangent.
- Press Enter to calculate the result.
- The result will be displayed in the selected cell.
Here are examples of using the ATAN() function in Excel:
- =ATAN(1) returns 0.785398163 (radians)
- =ATAN(-1) returns -0.785398163 (radians)
- =ATAN(0) returns 0 (radians)
- =ATAN(2) returns 1.107148718 (radians)
- =ATAN(0.5) returns 0.463647609 (radians)
- =ATAN(1/2) returns 0.463647609 (radians)
- =ATAN(10/5) returns 1.107148718 (radians)
- =ATAN(PI()) returns 1.262627255 (radians)
- =ATAN(SQRT(3)) returns 1.047197551 (radians)
- =ATAN(1/SQRT(3)) returns 0.523598776 (radians)
List of Similar Functions:
- TAN: Returns the tangent of an angle.
- ATAN2: Returns the arctangent of the specified x- and y-coordinates.
- ATANH: Returns the inverse hyperbolic tangent of a number.
- ACOT: Returns the arccotangent of a number.
FAQs for Use of ATAN Function in Excel
The domain of the ATAN function is all real numbers and the range is between -pi/2 and pi/2 radians.
Yes, the ATAN function can return the #NUM! error if the input value is outside the domain of the function.
Yes, the ATAN function can return a negative value if the input value is negative.
To convert the result of the ATAN function from radians to degrees, use the DEGREES function.
The TAN function returns the tangent of an angle, while the ATAN function returns the arctangent of a number.
Learn more MS Excel Function to advance your skills
- Real-World uses of Excel’s ATAN Function
- Comparing the Use of ATAN, ATAN2, and TAN Functions in Excel
- Mastering the ATAN Function in Excel: Tips and Tricks
- Mastering Excel: A Step-by-Step Guide on How to Filter Two Columns Using Advanced Filter Function
- Compare of ACCRINT & YIELD Functions – When to Use Each one
- Real-World Applications of Excel’s ACCRINT Function
- Mastering the ACCRINT Function in Excel: Tips and Tricks for Efficient Accrued Interest Calculations
- A Beginner’s Guide to AVERAGEIF Formula in Excel
- Learn VBA DIR Function – An Easy Explanation with Examples
- Learn =AVERAGEA() function – How to use with examples
- Learn =AVERAGE() function How to use with examples
- Learn =AVEDEV() Function – How to use with examples
- Learn =ATAN2() function – How to use with example