Weinfeld, Mark N <br/><br/>
Test yourself trigonometry  questions and answers 

 - New Delhi  Viva Books  1999 
 - 98p.  
<br/><br/><label>ISBN: </label>8176490539 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teach yourself -- Trigonometry<br/>Trigonometry