Java StrictMath cosh()方法

java.lang.StrictMath.cosh() 是Java中的一个内置方法，用于返回给定双倍参数的双曲余弦值。

语法:

public static double cosh(double num)

参数。该方法接受一个双倍类型的参数num，其双曲余弦值将被返回。

返回值：该方法返回num的双曲余弦值。

例子 :

Input: num = 60.0Output: 5.710036949078421E25Input: num = 0.0Output: 1.0

以下程序说明了java.lang.StrictMath.cosh()方法：

程序1：

// Java program to illustrate the// java.lang.StrictMath.cosh()import java.lang.*;  public class Geeks {      public static void main(String[] args)    {          double num1 = 78.8, num2 = 0.0, num3 = 1.0;          // It returns the hyperbolic cosine of        // specified angle in radian        double coshvalue = StrictMath.cosh(num1);        System.out.println("The cosh of "+                     num1+" = " + coshvalue);          coshvalue = StrictMath.cosh(num2);        System.out.println("The cosh of "+                     num2+" = " + coshvalue);          coshvalue = StrictMath.cosh(num3);        System.out.println("The cosh of "+                     num3+" = " + coshvalue);    }}

输出:

The cosh of 78.8 = 8.344016962852523E33The cosh of 0.0 = 1.0The cosh of 1.0 = 1.543080634815244

程序2：

// Java program to illustrate the// java.lang.StrictMath.cosh()import java.lang.*;  public class Geeks {      public static void main(String[] args)    {          double num1 = (30 * (Math.PI)) / 180;        double num2 = 11.0, num3 = 45.0;          // It returns the hyperbolic cosine of         // angle in radian        double coshvalue = StrictMath.cosh(num1);        System.out.println("The cosh of "+                     num1+" = " + coshvalue);          coshvalue = StrictMath.cosh(num2);        System.out.println("The cosh of "+                     num2+" = " + coshvalue);          coshvalue = StrictMath.cosh(num3);        System.out.println("The cosh of "+                     num3+" = " + coshvalue);        }}

输出:

The cosh of 0.5235987755982988 = 1.1402383210764286The cosh of 11.0 = 29937.070865949758The cosh of 45.0 = 1.7467135528742547E19