ATAN Function Explained

The ATAN function in Microsoft Excel returns the arctangent of a given number, which is the angle whose tangent is equal to the given number. It takes a single argument, which is the number for which you want to find the arctangent. The result is returned in radians.

ATAN Function Syntax

ATAN(number)

  • number: The angle in radians for which you want the arctangent.