PRECALCULUS WITH UNIT-CIRCLE TRIGONOMETRY
1990 年出版734 页ISBN：0314710159;0314668136
ANALYTIC TRIGONOMETRY WITH APPLICATIONS SECOND EDITION
RAYMOND A.BARNETT1980 年出版300 页ISBN：0534007287
TRIGONOMETRY A MODERN APPROACH SECOND EDITION
ADDISON-WESLEY PUBLISHING COMPANY1985 年出版0 页ISBN：
FUNDAMENTALS OF ALGEBRA AND TRIGONOMETRY FIFTH EDITION
1981 年出版564 页ISBN：0871503077
A new trigonometry for schools : with answers
Borchardt2222 年出版448 页ISBN：0713501286
INSTRUCTOR'S ANNOTATED EDITION TRIGONOMETRY SIXTH EDITION
RON LARSON ROBERT P.HOSTETLER2004 年出版694 页ISBN：0618317953
