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[https://en.wikipedia.org/wiki/Taylor_series][1] I think one of the decompositions of a number of Taylor is used. Do you want to say that with arccos(1) this approach produces an inadequate result? [1]:...
> Proving something along those lines would take real work (as in, it has not been done). and what needs to be done to prove that such an assimptot exists? The lower limit clearly exists, but I don `t know how to solve such a complex task.
[https://habrahabr.ru/post/343228/][1] ![red line is True or false?][2] red vertical line is True or false? [(ArcSin[Cos[x]]+ArcCos[Abs[Sin[x]]]-x)/(ArcSin[Cos[x]]-ArcCos[Abs[Sin[x]]]-x)][3] ![kvantpolya][3] [1]:...