Coburn, John W. Trigonometry / John W. Coburn, J.D. Herdick - 2nd ed. - New York : McGraw Hill , 2011 - xxxiv, 452 p. : ill. ; 29 cm. Includes index ISBN: 9780077349974 RM427.46 9780073519487 Subjects--Topical Terms: Trigonometry--TextbooksMathematics