TY  - BOOK
AU  - Balasubrahmanyam,P.
AU  - Venkatachary,P.R.
AU  - Venkataraman,G.R.
TI  - Trigonometry: for B.Sc. students 
U1  - 514 
PY  - 1972///
CY  - Madras
PB  - Rochouse and Sons
KW  - Trigonometry
KW  - Equations
N1  - Includes index
ER  -