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  1. ATAN function - Microsoft Support

    Returns the arctangent, or inverse tangent, of a number. The arctangent is the angle whose tangent is number. The returned angle is given in radians in the range -pi/2 to pi/2. To express …

  2. Arctan Excel Functions: Use ATAN and ATAN2 to Calculate ... - EngineerExcel

    There are two functions for calculating the inverse tangent or arctan in Excel. These two functions are ATAN and ATAN2 (“atan” is short for arctangent), and they each have specific uses …

  3. 5 Ways to Calculate Inverse Tan in Microsoft Excel

    Jun 17, 2024 · The ATAN function of Excel enables you to find arctan from the given tangent of an acute angle in a right-angle triangle. You can also use the same function to calculate inverse …

  4. Excel ATAN function | Exceljet

    Oct 23, 2020 · The Excel ATAN function returns the inverse tangent or arc-tangent of a number. In geometric terms, the function returns the angle of a right-triangle given the ratio of its …

  5. Excel ATAN Function

    The Excel ATAN function calculates the arctangent (i.e. the inverse tangent) of a given number, and returns an angle, in radians, between -π/2 and +π/2. The syntax of the function is: Where …

  6. How to Make Inverse Tangent Calculations with ATAN in Excel

    To calculate the arctangent of a specific number or cell reference, all I need to do is to type =ATAN() into the cell where I want the result to appear, and then, within the parentheses, …

  7. How to Use the ATAN Function in Excel: A Step-by-Step Guide

    First, open your Excel workbook. In a cell where you want the result to appear, type in the formula =ATAN(number). Replace "number" with the tangent value you have. This is the value whose …

  8. MS Excel: How to use the ATAN Function (WS) - TechOnTheNet

    This Excel tutorial explains how to use the Excel ATAN function with syntax and examples. The Microsoft Excel ATAN function returns the arctangent (in radians) of a number.

  9. How to calculate tan inverse in Excel - Best Excel Tutorial

    To find the arctangent, use =ATAN (number). For degrees, combine with =DEGREES (ATAN (number)). To calculate the inverse tangent (arctan) in Excel, you can use the ATAN function. …

  10. Excel ATAN Function: Complete Guide with Examples (2025)

    Master the ATAN function in Excel with step-by-step examples for calculating inverse tangent (arctangent) values. Learn how to convert tangent values to angles with practical applications …