Lial, Margaret L. <br/><br/>
Trigonometry / 
Margaret L. Lial, John Hornsby, David Schneider ; with the assistance of Callie J. Daniels 
 - 9th ed. 
 - Boston, Mass. :  Pearson/Addison-Wesley,  c2009 
 - xviii, 465 p., 16 p., 34 p., 7 p. :  col., ill. ;  26 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780321528858 0321528859 0321530438 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.