MathF.Acos(Single) Method
Definition
Important
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Returns the angle whose cosine is the specified number.
public:
static float Acos(float x);
public static float Acos (float x);
static member Acos : single -> single
Public Shared Function Acos (x As Single) As Single
Parameters
- x
- Single
A number representing a cosine, where x
must be greater than or equal to -1, but less than or equal to 1.
Returns
An angle, θ, measured in radians, such that 0 ≤ θ ≤ π.
-or-
NaN if x
< -1 or x
> 1 or x
equals NaN.
Remarks
Multiply the return value by 180/MathF.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
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