The high school trigonometry tutor 

 - New Jersey  Research and education Association  2000  
 - 341 
<br/><br/><label>ISBN: </label>0878915664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24 H537