Symbolic command 'rewrite' changes the domain of a function?

I want to replace function (F) with a more compact expression (F2). However, an error occurs.

Function with coth.png

24-Ruby IV

And what we have in Maple or Mathcad 11?

23-Emerald IV

The same as what every mathematical application should do when asked to evaluate the coth of 0: throw a devide by zero error.

Success!
Luc

Author

1-Visitor

Thank you, Luke. I know it. I want this to know Mathcad Prime (see picture). Maybe it works in Valery's Mathcad Prime Minister?

Function with coth1.png

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