2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42035The ratio of the vacuum expectation value of the two Higgs doublets, tan(beta), is an important parameter of the general 2-Higgs-Doublet Model (2HDM) and the Minimal Supersymmetric extension of the Standard Model (MSSM). The expected uncertainty on the determination of tan(beta) at a Linear Collider (LC) of at least 500 GeV center-of-mass energy and high luminosity is reviewed based on studies of neutral and charged Higgs boson production.7 pages, 6 figures. Proceedings SUSY02, DESY, Germany; and LCWS02, Jeju, KoreaHigh Energy Physics - Phenomenologytext