Loney, S. L. <br/><br/>
Plane trigonometry, Part 1 

 - London  Machillan  1968 
 - xi, 370 p. 
 - Part 1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trignometry
<br/><br/><label>Dewey Class. No.: </label>B52 H8L,K3.1;7