TY  - BOOK
AU  - Brown,Frederick G.W.
ED  - Asutosh Collection (National Library, India)
TI  - Progressive trigonometry
U1  - 514 
PY  - 1928///
CY  - London
PB  - Macmillan
KW  - Trigonometry
N1  - Numerical trigonometry and mensuration; Includes index
ER  -