数学谭() 是一个内置的数学类方法,它返回给定双值参数(指定角度)的切线。
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语法:
public static double Tan(double num)
参数:
号码: 它是要返回其切线的角度(以弧度为单位),该参数的类型为 系统双重的 .
返回值: 返回类型num的切线 系统双重的 .如果num等于 否定、肯定或否定 ,则该方法返回 楠 .
下面是说明数学的程序。Tan()方法。
项目1: 来展示数学的运算能力。Tan()方法。
// C# program to demonstrate working // Math.Tan() method using System; class Geeks { // Main Method public static void Main(String []args) { double a = 12; // converting value to radians double b = (a * (Math.PI)) / 180; // using method and displaying result Console.WriteLine(Math.Tan(b)); a = 63; // converting value to radians b = (a * (Math.PI)) / 180; // using method and displaying result Console.WriteLine(Math.Tan(b)); a = 187; // converting value to radians b = (a * (Math.PI)) / 180; // using method and displaying result Console.WriteLine(Math.Tan(b)); a = 45; // converting value to radians b = (a * (Math.PI)) / 180; // using method and displaying result Console.WriteLine(Math.Tan(b)); } } |
输出:
0.212556561670022 1.96261050550515 0.122784560902905 1
项目2: 来展示数学的运算能力。参数为 NaN或无穷大 .
// C# program to demonstrate working // Math.Tan() method in infinity case using System; class Geeks { // Main Method public static void Main(String []args) { double positiveInfinity = Double.PositiveInfinity; double negativeInfinity = Double.NegativeInfinity; double nan = Double.NaN; double result; // Here argument is negative infinity, // output will be NaN result = Math.Tan(negativeInfinity); Console.WriteLine(result); // Here argument is positive infinity, // output will also be NaN result = Math.Tan(positiveInfinity); Console.WriteLine(result); // Here argument is NaN, output will be NaN result = Math.Tan(nan); Console.WriteLine(result); } } |
输出:
NaN NaN NaN
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