TY  - BOOK
AU  - Dasgupta,Ashit
AU  - Prasad,S.B.
AU  - Majumdar,A.R.
TI  - Trigonometry: for intermediate class and competitive examinations 
U1  - 514 
PY  - 1984///
CY  - Patna
PB  - Bharati Bhawan
KW  - Trigonometry
KW  - Problems, exercise, etc
N1  - This book has been translated from Hindi to English and written following the syllabus of Intermediate Education Council, Bihar
ER  -