The math.asinh() function returns the inverse hyperbolic sine of a given number. 

Syntax:
math.asinh(x)
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Where x is a numeric value.

ExampleEdit & Run
import math

x = 2.0
result = math.asinh(x)
print(result)
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Output:
1.4436354751788103 [Finished in 0.010415362194180489s]

Note that the math.asinh() function returns the result in radians. If you need the result in degrees, you can convert it using the math.degrees() function.

ExampleEdit & Run
import math

x = 2.0
result = math.asinh(x)
print(math.degrees(result))
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Output:
82.71421988310894 [Finished in 0.010138991754502058s]