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Math.Atanh(Double) Method

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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 tangent is the specified number.

C# 
public static double Atanh(double d);

Parameters

d
Double

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

Returns

Double

An angle, θ, measured in radians, such that -∞ < θ < -1, or 1 < θ < ∞.

-or-

NaN if d < -1 or 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

Продукт Версии
.NET Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Standard 2.1