Dugopolski, Mark. College algebra and trigonometry : a unit circle approach / College algebra & trigonometry Mark Dugopolski. - 5th ed. - Boston, MA : Addison-Wesley, c2011. - xxv, 860, [92] p. : ill. (some col.) ; 29 cm. Includes bibliographical references and indexes. ISBN: 9780321644770 (student ed. : hbk.) 0321644778 (student ed. : hbk.) 032164560X (annotated instructor's ed.) Subjects--Topical Terms: Algebra--Textbooks.Trigonometry--Textbooks. Dewey Class. No.: 512.13 / DUG 2011