Sinha, K. C.,  Dr <br/><br/>
A textbook of trignometry :  intermediate and engineering competitions / 
by K. C. Sinha, U. C. Sinha 
 - 12th rev. ed. 
 - Patna :  Students Friends,  2002 
 - ix, 893 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label> Rs. 180.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--Textbooks
<br/><br/><label>Dewey Class. No.: </label>516.24