Trigonomety :  a unit circle approach/ 
Sullivan  
 - Upper Saddle River, NJ :  Pearson education,  2005 
 - 456 p.:  ill.; 
<br/><br/><label>ISBN: </label>0131431129 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry 
<br/><br/><label>LC Class. No.: </label>QA531 .T75 2005