TY  - GEN
AU  - Larson,Ron
AU  - Hostetler,Robert P.
AU  - Edwards,Bruce H.
AU  - Falvo,David C.
TI  - Trigonometry: a graphic approach 
SN  - 9780618394586
AV  - QA531. TRI 2005 
PY  - 2005///
CY  - New York
PB  - Houghton Mifflin.
KW  - Trigonometry
N1  - Includes indexes
ER  -