Trigonometry / 
Margaret Lial [and three others]. 
 - Pearson New International edition 
 - Singapore :  Pearson Education South Asia Pte Ltd.,   c2014. 
 - iv, 516 pages :  illustrations ;  27 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>In English text. 
<br/><br/><label>ISBN: </label>9789814598521 (reprint) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>LC Class. No.: </label>CIR QA 531  / T75 2014