Young, Cynthia Y. Trigonometry / Cynthia Y. Young. - Hoboken, NJ: John Wiley & Sons, ©2007. - 590p.: ill.; 26cm. Includes index. ISBN: 978-981-253-274-9 Subjects--Topical Terms: Trigonometry Dewey Class. No.: GC 516.24 Y68 2007