Lial, Margaret L.    <br/><br/>
Trigonometry /  
Margaret L. Lial, John Hornsby [and] David I. Schneider    
 - 8th. ed.    
 - Boston :  Pearson Education,   2005.    
 - 474p. :  ill.;   26cm.    
<br/><br/>Includes index    
<br/><br/><label>ISBN: </label>0321227360    
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry