Bali, N.P. <br/><br/>
Trigonometry 
For B.A./B.Sc. Classes 
 - New Delhi  Laxmi Publications  1988 
 - 126 
<br/><br/><label>Publisher. No.: </label> Sapna Book Stall 
<br/><br/><label>Subjects--Personal Names: </label> Mathematics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics