9780738611181 | 2 edition (Research & Education Assn, December 24, 2012), cover price $9.95

9780071543507 | 4th edition (McGraw-Hill, August 21, 2008), cover price $18.95

9780764197321 | Pck edition (Barrons Educational Series Inc, November 1, 2010), cover price $18.99

9780764563898 | Cliff Notes, September 15, 2001, cover price $9.99 | About this edition: Explains core trigonometry concepts.

9780761530312 | Prima Games, September 1, 2000, cover price $14.99 | About this edition: Resident Evil: Survivor is set in the classic Resident Evil universe filled with zombies, killer dogs, and the Umbrella Corporation.

9780761529279 | Prima Games, April 1, 2000, cover price $14.99 | About this edition: You?

9780070026599, titled "Schaum''s Outline of Theory and Problems of Trigonometry: With Calculator Based Solutions" | 2nd edition (McGraw-Hill, September 1, 1989), cover price $12.95 | also contains Schaum''s Outline of Theory and Problems of Trigonometry: With Calculator Based Solutions | About this edition: Reviews trigonometry skills with over 600 solved problems with fully worked-out solutions and hundreds of supplementary problems for drill work

9780878911776 | Research & Education Assn, June 29, 2000, cover price $8.95

9780070068933 | 3 sub edition (McGraw-Hill, December 1, 1998), cover price $17.95 | About this edition: Reviews trigonometry skills with over 600 solved problems with fully worked-out solutions and hundreds of supplementary problems for drill work

9780070026599 | 2nd edition (McGraw-Hill, September 1, 1989), cover price $12.95 | also contains Resident Evil Survivor: Prima's Official Strategy Guide | About this edition: Reviews trigonometry skills with over 600 solved problems with fully worked-out solutions and hundreds of supplementary problems for drill work