TY  - BOOK
AU  - Todhunter,Isaac
AU  - Hogg,R.W.
AU  - Pati,Tribikram
TI  - Plane trigonometry: advanced section 
U1  - 514.5 
PY  - 1959///
CY  - Allahabad
PB  - Central Book Depot
KW  - Trigonometry
KW  - Plane
KW  - Mathematics
KW  - Logarithms
ER  -