# C# | Math.Sinh() Method

Math.Sinh() is the inbuilt Math class method which returns the hyperbolic sine of a given double value argument(specified angle).

Syntax:

`public static double Sinh(double num)`

Parameters:

num: It is the number whose hyperbolic sine is to be returned and type of this parameter is System.Double.

Return Value: The method returns the hyperbolic Sine of num of type System.Double. If num is equal to NegativeInfinity, PositiveInfinity, or NaN, this method returns a Double equal to num.

```Input  : num = 60.0
Output : 5.71003695E25```

Below programs illustrate the Math.Sinh method:

Program 1:

 `// C# program to illustrate the ` `// Math.Sinh() ` `using` `System; ` ` `  `class` `GFG { ` ` `  `    ``// Main Method ` `    ``public` `static` `void` `Main(String[] args) ` `    ``{ ` ` `  `        ``double` `num1 = 78.8, num2 = 0.0, num3 = 1.0; ` ` `  `        ``// It returns the hyperbolic sine of specified  ` `        ``// angle in radian ` `        ``double` `sinhvalue = Math.Sinh(num1); ` `        ``Console.WriteLine(``"The sinh of num1 = "` `+ sinhvalue); ` ` `  `        ``sinhvalue = Math.Sinh(num2); ` `        ``Console.WriteLine(``"The sinh of num2 = "` `+ sinhvalue); ` ` `  `        ``sinhvalue = Math.Sinh(num3); ` `        ``Console.WriteLine(``"The sinh of num3 = "` `+ sinhvalue); ` `    ``} ` `} `

Output:

```The sinh of num1 = 8.34401696285252E+33
The sinh of num2 = 0
The sinh of num3 = 1.1752011936438
```

Program 2:

 `// C# praogram to illustrate the ` `// Math.Sinh() Method ` `using` `System; ` ` `  `class` `GFG { ` ` `  `    ``// Main Method ` `    ``public` `static` `void` `Main(String[] args) ` `    ``{ ` ` `  `        ``double` `num1 = (30 * (Math.PI)) / 180, num2 = 11.0, num3 = 45.0; ` ` `  `        ``// It returns the hyperbolic sine of  ` `        ``// angle in radian ` `        ``double` `sinhvalue = Math.Sinh(num1); ` `        ``Console.WriteLine(``"The sinh of num1 = "` `+ sinhvalue); ` ` `  `        ``sinhvalue = Math.Sinh(num2); ` `        ``Console.WriteLine(``"The sinh of num2 = "` `+ sinhvalue); ` ` `  `        ``sinhvalue = Math.Sinh(num3); ` `        ``Console.WriteLine(``"The sinh of num3 = "` `+ sinhvalue); ` `    ``} ` `} `

Output:

```The sinh of num1 = 0.54785347388804
The sinh of num2 = 29937.0708492481
The sinh of num3 = 1.74671355287425E+19
```

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