Dugopolski, Mark. <br/><br/>
Trigonometry /  
by Mark Dugopolski. 
 - 3rd ed. 
 - Boston :   Addison Wesley,   2011. 
 - xviii, 347, S-16, A-24, I-7 p. :    col. ill. ;  29 cm. 
<br/><br/> Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0321644751 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--Textbooks.
<br/><br/><label>LC Class. No.: </label>QA531   / DUG 2011