Larson, Roland E. <br/><br/>Trigonometry Roland E. Larson and Robert P. Hostetler  -- 2nd ed.  -- Lexington, MA  D.C. Health and Co.  1989 <br/>xv, 435p.  24cm. <br/><br/> Includes index. <br/><br/><label>ISBN: </label>0669162663 <br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry<br/><br/><label>Dewey Class. No.: </label>GC 516.24 L329 1989