Hirsch, Christian R. <br/><br/>
Trigonometry and its applicatinos / 
by Christian R. Hirsch, Harold L. Schoen. 
 - New York :  McGraw-Hill,  c1985. 
 - xiv, 528 p. :  ill. (some col.) ;  25 cm. 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>0070290598  
<br/><br/><label>Source: </label>B-7350 
<br/><br/><label>LCCN: </label>84023391  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA531  / .H66 1985 
<br/><br/><label>Dewey Class. No.: </label>516.2/4