Question Number 147404 by tabata last updated on 20/Jul/21
$${find}\:{taylor}\:{series}\:{of}\:{f}\left({z}\right)={cotz}\:,{z}=\mathrm{5}\pi \\ $$
Commented by Mrsof last updated on 20/Jul/21
$$????? \\ $$
Answered by mathmax by abdo last updated on 21/Jul/21
$$\mathrm{f}\:\mathrm{is}\:\mathrm{not}\:\mathrm{developpable}\:\mathrm{at}\:\mathrm{z}=\mathrm{k}\pi \\ $$