Lial, Margaret. <br/><br/>
Trigonometry / 
Margaret  Lial...[et. al]. 
 - Pearson New International Edition, Tenth edition. 
 - ii, 516 pages :  illustrations ;  27 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>978-981-4598-52-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.