Sullivan, Michael Trigonometry : enhanced with graphing utilities / Michael Sullivan, Michael Sullivan III. - 3rd ed. - N. J. : Prentice Hall, c2003. - xxxi, 634 pages : illustrations ; 26 cm ISBN: 0130659142 Subjects--Topical Terms: Trigonometry--Graphic calculators. LC Class. No.: QA531 / Su5 2003