# Ruby | Math asinh() function

The asinh() is an inbuilt function in Ruby returns the inverse hyperbolic sine of an angle given in radians. It accepts all values between range (-INFINITY, INFINITY).

Syntax: Math.acosh(value)

Parameters: The function accepts one mandatory parameter value which specifies the inverse hyperbolic angle in radian which should be greater or equal to 1. If the argument is less than 1, domain error is returned.

Return Value: The function returns the inverse hyperbolic sine of an angle given in radians. The range is between (-INFINITY, INFINITY)

Example 1:

 `#Ruby program for asinh() function ` ` `  `#Assigning values ` `val1 = 2 val2 = 877 val3 = 432 val4 = 43 ` ` `  `#Prints the acosh() value ` `                                      ``puts` `Math.asinh(val1) ` `                                          ``puts` `Math.asinh(val2) ` `                                              ``puts` `Math.asinh(val3) ` `                                                  ``puts` `Math.asinh(val4) `

Output:

```1.4436354751788103
7.4696544979749735
6.761574108393271
4.45448247706051
```

Example 2:

 `#Ruby program for asinh() function ` ` `  `#Assigning values ` `val1 = -24 val2 = -765 val3 = -98 val4 = -23 ` ` `  `#Prints the asinh() value ` `                                          ``puts` `Math.asinh(val1) ` `                                              ``puts` `Math.asinh(val2) ` `                                                  ``puts` `Math.asinh(val3) ` `                                                      ``puts` `Math.asinh(val4) `

Output:

```-3.8716347563877314
-7.333023441572332
-5.278140689034662
-3.8291136516208812
```

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