C# Acosh()

The Math.Acosh() method returns the inverse hyperbolic cosine (also known as hyperbolic arccosine) of a specified number. It computes the value whose hyperbolic cosine equals the given number.

Syntax

Math.Acosh(number);

Parameters:

• number: A double-precision floating-point value greater than or equal to 1, for which to compute the inverse hyperbolic cosine.

Return value:

• The inverse hyperbolic cosine of the specified number in radians as a double.
• NaN if the input is less than 1 or NaN.

Example: Basic Usage of Math.Acosh()

This example calculates the inverse hyperbolic cosine of a number using Math.Acosh() and displays the result in radians:

using System;

public class Example
{
  public static void Main()
  {
    double number = 1.5;
    double result = Math.Acosh(number);
    Console.WriteLine($"Math.Acosh({number}) = {result} radians");
  }
}

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This example outputs the following:

Math.Acosh(1.5) = 0.9624236501192069 radians

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Codebyte Example

In this example, the Math.Acosh() method is used to calculate the inverse hyperbolic cosine of a specified number in radians and degrees:

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