Heineman, E. R <br/><br/>
Plane trigonometry / 
E. Richard Heineman. 
 - 6th. 
 - New York :  McGraw-Hill,  1988. 
 - xix, 297 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070279357 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics. Plane trigonometry 
<br/><br/><label>LC Class. No.: </label>DUCE QA533.H47