The High school trigonometry & 11th year math problem solver / 
staff of Research and Education Association. 
 - New York, N.Y. :  REA,  c1985. 
 - x, 341 p. :  ill. ;  26 cm. 
<br/><br/> On t.p. the registered trademark symbol is superscript following the title.  Includes index. 
<br/><br/><label>ISBN: </label>0878915664 (pbk.) 
<br/><br/><label>LCCN: </label>85062002  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--Problems, exercises, etc.<br/>Mathematics--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>QA537  / .H54 1985 
<br/><br/><label>Dewey Class. No.: </label>516.2/4