Andreescu, Titu; Feng, Zuming <br/><br/>
103 Trigonometry problems 

 -  Birkhauser, Boston  2004 
 - 214 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry; Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.24  AND-1