Choudhury, Tarakeswar . <br/><br/>
Triconomiti /  Textual Documents 
Tarakeswar Choudhury. 
 - 1st ed. / 
 - Guwahati :  Gian Peeth ,  1984. 
 - 95p. :  ill ;  22cm . 
<br/><br/> Trigonometry-Hihger Secondary Course 
<br/><br/><label>Subjects--Index Terms: </label>Trigonometry G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>516.24  / Ch 457 Tr