Hayden, Jerome D. <br/><br/>
Trigonometry 
Jerome D. Hayden, Bettye C. Hall.Cliffs, Eaglewood 
 - New Jersey:  Prentice hall;  [1996] 
 - viii, 472 pages:  with illustrations;  25 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9712704351 
<br/><br/><label>LC Class. No.: </label>QA 533  / .H414 1996