Java Math.cosh() Method with Examples

by Online Tutorials Library July 22, 2022

Java Math.cosh() method

The java.lang.Math.cosh() is used to return the hyperbolic cosine of a value. The hyperbolic cosine of any value x can be defined as (e^x + e ^-x)/2, where e is an Euler’s number.

Syntax

Parameter

Return

If the argument is positive or negative number, this method will return hyperbolic cosine value.
If the argument is Zero, this method will return 1.0.
If the argument is Infinity, this method will return Positive Infinity.
If the argument is NaN, this method will return NaN.

Example 1

   public class CoshExample1  {      public static void main(String[] args)       {          double a = 60.0;          System.out.println(Math.cosh(a));      }  }  

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Output:

5.710036949078421E25

Example 2

  public class CoshExample2  {      public static void main(String[] args)       {          double a = 0.0;          // Input zero, Output 1           System.out.println(Math.cosh(a));      }  }  

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Output:

1.0

Example 3

  public class CoshExample3  {      public static void main(String[] args)       {          double a = -1.0/0;          // Input negative infinity, Output positive infinity           System.out.println(Math.cosh(a));      }  }  

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Output:

Infinity

Example 4

  public class CoshExample4  {      public static void main(String[] args)       {          double a = 0.0/0;          // Input NaN, Output NaN           System.out.println(Math.cosh(a));      }  }  

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Output:

NaN

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Parameter

Return

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