TY  - BOOK
AU  - Hobson, Ernest William
TI  - A treatise on plane and advanced trigonometry
SN  - 486441776
U1  - 516.242 HOB 
PY  - 2005///
CY  - Mineola, NY
PB  - Dover Publications
KW  - Exponential functions
KW  - Plane trigonometry
KW  - Series, Infinite
N1  - Originally published: 7th ed. [Cambridge] : Cambridge University Press, 1928
ER  -