TY  - BOOK
AU  - Larson, Roland E.
AU  - Hostetler, Robert P.,;Heyd, David E.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0669162663 (hardback)
SN  - 2
PY  - 1989///;copyright 198946
CY  - Lexington, Mass.
PB  - D.C. Heath
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Trigonometry
N1  - 5
ER  -