TY  - BOOK
AU  - DAS,B. C.
AU  - Mukherjee,  B.N. 
TI  - Higher Trigonometry
U1  - 516.24 
CY  - Calcutta
PB  - U.N. Dhur & Private Limited
KW  - TRIGONOMETRY
N1  - Appendix is added
ER  -