Plane trigonometry, part 1 :  an elementary course, excluding the use of imaginary quantities / 
Sydney Luxton Loney 
 - Nagar, Meerut :  Arihant prakashan ,  2004. 
 - x, 268p. :bill. 
 - Classic text series .
<br/><br/><label>ISBN: </label>8188222410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry
<br/><br/><label>LC Class. No.: </label>QA 533 LON 2009