Hirsch, Christian R. <br/><br/>
Trigonometry and its applications / 
Christian R. Hirsch and Harold L. Schoen.  
 - America :  McGraw-Hill,   c1990. 
 - xiv, 528 p. :  ill. ;  26 cm. 
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<br/><br/><label>ISBN: </label>0070290741 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Geometri.<br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>516.24