FUNDAMENTALS OF TRIGONOMETRY EIGHTH EDITION
EARL W.SWOKOWSKI JEFFERY A.COLE1993 年出版424 页ISBN:0534932118
ALGEBRA AND TRIGONOMETRY FOURTH EDITION
MARGARET L.LIAL CHARLES D.MILLER1986 年出版706 页ISBN:0673182967
ANALYTIC TRIGONOMETRY WITH APPLICATIONS SEVENTH EDITION
1999 年出版477 页ISBN:0534358381