Acos(Double) Method

Returns the arccosine of x. Arccosine is the inverse of Cos(x) on the range [0 pi].

Syntax

Visual Basic

'Declaration
 
Public Overloads Shared Function Acos( _
   ByVal x As Double _
) As Double

C#

public static double Acos( 
   double x
)

Parameters

x

A double.

Return Value

The arccosine of x.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2