TY  - BOOK
AU  - Wheater,Carloyn
TI  - Practice makes perfect : :  trigonometry / 
T2  - Practice makes perfect
SN  - 9780071761796
U1  - 516.24 
PY  - 2012///
CY  - NY : 
PB  - McGraw-Hill, 
KW  - Trigonometry
ER  -