TY  - BOOK
AU  - B.C Das ,B.N Mukherjee
AU  - B.C Das ,B.N Mukherjee
TI  - Higher Trigonometry
SN  - 81-85624-69-0
U1  - 516.24 
PY  - 2010///
CY  - Kolkata
PB  - U. N. Dhur & sons Private Ltd.
KW  - Mathematics
N1  - Includes Index
ER  -