A continued fraction expansion for a q-tangent function: An elementary proof

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/160750We prove a continued fraction expansion for a certain $q$-tangent function that was conjectured by the present writer, then proved by Fulmek, now in a completely elementary way.CombinatoricsClassical Analysis and ODEsA continued fraction expansion for a q-tangent function: An elementary prooftext