Hirsch, Christian R. <br/><br/>
Trigonometry and its applications / 
Christian R. Hirsch, Harold L. Schoen 
 - California :  Glencoe/McGraw-Hill,  1990 
 - xiv, 528 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0070290741  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry