MathF。C# 中的 Acos()方法及示例
原文:https://www . geesforgeks . org/mathf-acos-method-in-c-sharp-with-examples/
MathF。Acos(Single) 方法用于返回余弦值作为单个或浮点值参数给出的角度。如果参数是 NaN，那么结果就是 NaN。
语法:公共静态 float Acos(float x)； 这里，它取一个标准的浮点数。
返回值:该方法返回一个角度θ，以弧度为单位，类型为系统。单且数值会小于单。最大值。
以下程序将说明上述方法的使用:
例 1:
// C# program to demonstrate the
// MathF.Acos(Single) Method
using System;
class GFG {
// Main Method
public static void Main()
{
// Declaring and initializing value
float value = 0.5f;
// getting absolute angle value in float
// using Acos() method
float result = MathF.Acos(value);
// Display the value
Console.WriteLine("Angle is {0}", result);
}
}
Output:
Angle is 1.047198
例 2:
// C# program to demonstrate the
// MathF.Acos(Single) Method
using System;
using System.Globalization;
class GFG {
// Main Method
public static void Main()
{
// calling get() method
get(0.19f);
get(Single.NaN);
get(Single.NegativeInfinity);
get(Single.PositiveInfinity);
}
// defining get() method
public static void get(float value)
{
// getting absolute angle value in float
// using Acos() method
float result = MathF.Acos(value);
// Display the value
Console.WriteLine("Acos({0}) will be {1}",
value, result);
}
}
Output:
Acos(0.19) will be 1.379634
Acos(NaN) will be NaN
Acos(-Infinity) will be NaN
Acos(Infinity) will be NaN
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