Larson , Ron,  c2015. <br/><br/>
Trigonometry / 
Larson , Ron. 
 - 2nd. 
 - Pasig City :  Cengage Learning Asia Pte Ltd,  c2015. 
 - v ; 194p. :  ill. ;  10 inch. 
<br/><br/><label>ISBN: </label>978-1-305-30832-9