Graham, John A. <br/><br/>
Trigonometry with applications / 
by John A. Graham, Robert H. Sorgenfrey. 
 - Atlanta :  Houghton Mifflin,  c1983. 
 - ix, 425 p. : ;  25 cm. 
<br/><br/><label>ISBN: </label>0395304504 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.