TY  - BOOK
AU  - Das Gupta,Ashit
AU  - Prasad,Surya Bhushan
TI  - A modern approach to Intermediate Trigonometry: part 1 for intermediate classes and part II for competative examinations 
U1  - 514 
PY  - 1995///
CY  - Patna
PB  - Bharati Bhawan
KW  - Algebra
KW  - Trigonometry
N1  - Includes index
ER  -