Das, B. C. <br/><br/>
Higher trigonometry / 
B. C. Das and B. N. Mukherjee 
 - 26th ed. 
 - Calcutta :  U. N. Dhur & Sons Private Limited ,  1995. 
 - 314 p. ;  ill. :  18 cm. 
<br/><br/>It includes bibliographical information. 
<br/><br/><label>ISBN: </label>8185624690 9789380673837 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Trigonometry<br/>Inverse circular functions
<br/><br/><label>Dewey Class. No.: </label>516.24  / DAS