TY  - BOOK
AU  - Rider, Paul R.
CN  - QA533
CN  - QA533
CY  - New York,
DA  - [1953?, c1949]
ID  - 61551
KW  - Plane trigonometry.
PB  - Macmillan
PP  - New York,
PY  - [1953?, c1949]
T1  - Plane trigonometry;twelve chapters from First-year mathematics for colleges.
TI  - Plane trigonometry;twelve chapters from First-year mathematics for colleges.
ER  -