Sullivan, Michael <br/><br/>
Trigonometry :  a unit circle approach / 
Michael Sullivan 
 - 7th ed. 
 - Upper Saddle River, NJ :  Prentice Hall,  2005 
 - xx, 615, 69, 19 p. :  ill (some coll.) ; 26 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0131431110 9780131431119 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry