Algebra and trigonometry, a skills approach / J. Louis Nanney and John L. Cable. Nanney, J. Louis. Cable, John Laurence, 1934- joint author. Algebra. Trigonometry. QA154.2 .N359 514 NAT Combined ed. of 1980 lecture versions of the authors' College algebra, a skills approach and the authors' Trigonometry, a skills approach. Includes index. Boston : Allyn and Bacon, c1979 c1979 1980 Text xiv, 465, A44, I4 p. : eng