TY  - BOOK
AU  - Frank Ayres & Robert E Moyer
TI  - Schaum's outline of theory and problems of trigonometry
SN  - 0-07-060616-1
U1  - 516.24 Ayr/Mor 
PY  - 1999///
CY  - Tata McGraw Hill, New Delhi
KW  - Maths
ER  -