Textbook Site(s) that do not require a Graphing Calculator Larson/Hostetler Trigonometry, 7/e Larson/Hostetler Trigonometry, 6/e Larson/Hostetler Trigonometry, 5/e Aufmann et al. College Trigonometry, 4/e Aufmann et al. College Trigonometry, 5/e Aufmann et al. College Trigonometry, 6/e Textbook Site(s) that do require a Graphing Calculator Larson et al. Trigonometry: A Graphing Approach, 4/e Larson et al. Trigonometry: A Graphing Approach, 3/e Site Map | Partners | Press Releases | Company Home | Contact Us Copyright Houghton Mifflin Company. All Rights Reserved. Terms and Conditions of Use, Privacy Statement, and Trademark Information