Dugopolski, Mark <br/><br/>
Trigonometry/ 
Mark Dugopolski. 
 - 3rd ed. 
 - Singapore:  Pearson Education South Asia,  c2015. 
 - 407 p.:  ill.;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>978-981-4648-78-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>GC 516.24 D867 2015