Monday, 30 July 2018

limits - Evaluating limlimitsxmathoptoinftyfractanxx



I need to find limxtanxx



For some reason mathematica just returns my input without evaluating it.



For what it's worth, tan(10100)101004×10101, so the limit is probably 0. (...)



I'm guessing this has been asked before but I can't find it.


Answer



The limit does not exist: Since the tangent function has poles at every point of the form (n+12)π, the quantity



tanxx




is unbounded on every interval of length greater than π.


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