FUNDAMENTALS OF TRIGONOMETRY 
EARL W. SWOKOWSKI 
 - 4th ed 
 - UNITES STAETS OF AMERICA  PRINDLE, WEBER &SCHMIDT  1978 
 - 300pg,;  25 cm 
<br/><br/><label>ISBN: </label>0871502542 
<br/><br/><label>Dewey Class. No.: </label>516.24 SWO