Beecher, J. Penna, J. and Bittinger, M. Precalculus - 2nd ed. - Boston : Pearson , 2005 . - xxiii, 883p. : ill. Includes index ISBN: 9780321159366 Subjects--Topical Terms: AlgebraTrigonometry LC Class. No.: QA 152.3 .B45 2005