Math.Acosh(Double) Method

Reference

Definition

Namespace:: System

Assemblies:: netstandard.dll, System.Runtime.dll

Assembly:: System.Runtime.Extensions.dll

Assembly:: netstandard.dll

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

Important

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Returns the angle whose hyperbolic cosine is the specified number.

public:
 static double Acosh(double d);

public static double Acosh(double d);

static member Acosh : double -> double

Public Shared Function Acosh (d As Double) As Double

Parameters

d: Double

A number representing a hyperbolic cosine, where d must be greater than or equal to 1, but less than or equal to PositiveInfinity.

Returns

Double

An angle, θ, measured in radians, such that 0 ≤ θ ≤ ∞.

-or-

NaN if d < 1 or d equals NaN.

Remarks

Multiply the return value by 180/Math.PI to convert from radians to degrees.

This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures.

Applies to

Product	Versions
.NET	Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Standard	2.1

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