Das,B.C. <br/><br/>
Higher Trigonometry  
by B.C.Das and B.N.Mukherjee 
 - Calcutta   U.N.Dhur & Sons Private Ltd.   1997  
 - xvi,288p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510   / DAS