The ATANH function in Excel

 

The ATANH function in Excel is a math and trigonometry function that returns the inverse hyperbolic tangent of a number. The inverse hyperbolic tangent is the value whose hyperbolic tangent is the specified number. The result of the ATANH function is returned in radians.

The syntax for the ATANH function is as follows:

=ATANH(number)

where:

  • number: The number for which you want to calculate the inverse hyperbolic tangent.

The ATANH function returns the inverse hyperbolic tangent of the specified number as a value in radians. The result is between -∞ and +∞.

Here's an example of how to use the ATANH function:

Suppose you want to calculate the inverse hyperbolic tangent of the number 0.5. You can use the ATANH function as follows:

=ATANH(0.5)

In this example, the ATANH function returns the value 0.549306144, which is the inverse hyperbolic tangent of 0.5 in radians.

Note that the input argument of the ATANH function must be between -1 and 1. If the input number is outside this range, the function returns the #NUM! error. Also, the result of the ATANH function is always in radians, so you may need to convert it to degrees using the RADIANS function or by multiplying it by 180/π to get the angle in degrees.

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