Lial, Margaret L. Trigonometry: instructor's resource manual/ Margaret L. Lial, John Hornsby, David I. Schneider, John Sullivan, Scott Albert. - 6th ed. - Boston : Pearson Addison Wesley, c1997. - 326 p: ill.; 28 cm. ISBN: 0673978869 Subjects--Personal Names: Sullivan, John.Albert, Scott. Subjects--Topical Terms: Trigonometry.Trigonometry--Manuals. LC Class. No.: QA531 / L53 1997 Dewey Class. No.: 516.24