Trigonometry / 
Margaret L. Lial  [and three others]. 
 - Tenth edition. 
 - Singapore :  Pearson Education South Asia Pte Ltd.  c2014. 
 - ii, 516 pages :  illustrations ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789814598521 (NP) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA531  / .T75 2014