. . "Plane trigonometry"@en . _:bnode7authoritiessubjectssh85137522 . _:bnode7authoritiessubjectssh85137522 _:bnode8authoritiessubjectssh85137522 . _:bnode7authoritiessubjectssh85137522 . _:bnode8authoritiessubjectssh85137522 . _:bnode8authoritiessubjectssh85137522 "Plane trigonometry"@en . . _:bnode12authoritiessubjectssh85137522 . _:bnode12authoritiessubjectssh85137522 . _:bnode12authoritiessubjectssh85137522 . _:bnode12authoritiessubjectssh85137522 "Trigonometry, Plane"@en . _:bnode12authoritiessubjectssh85137522 _:bnode17authoritiessubjectssh85137522 . _:bnode17authoritiessubjectssh85137522 _:bnode18authoritiessubjectssh85137522 . _:bnode17authoritiessubjectssh85137522 . _:bnode18authoritiessubjectssh85137522 . _:bnode18authoritiessubjectssh85137522 "Trigonometry, Plane"@en . "QA533" . . . . _:bnode26authoritiessubjectssh85137522 . _:bnode26authoritiessubjectssh85137522 . _:bnode26authoritiessubjectssh85137522 . _:bnode26authoritiessubjectssh85137522 "Trigonometry, Plane"@en . _:bnode26authoritiessubjectssh85137522 _:bnode31authoritiessubjectssh85137522 . _:bnode31authoritiessubjectssh85137522 _:bnode32authoritiessubjectssh85137522 . _:bnode31authoritiessubjectssh85137522 . _:bnode32authoritiessubjectssh85137522 . _:bnode32authoritiessubjectssh85137522 "Trigonometry, Plane"@en . . . _:bnode37authoritiessubjectssh85137522 . _:bnode37authoritiessubjectssh85137522 . _:bnode37authoritiessubjectssh85137522 "Work cat.: 92-17811: Heineman, E.R. Plane trigonometry, 1992." . _:bnode37authoritiessubjectssh85137522 "found" . _:bnode43authoritiessubjectssh85137522 . _:bnode43authoritiessubjectssh85137522 . _:bnode43authoritiessubjectssh85137522 "1986-02-11T00:00:00"^^ . _:bnode43authoritiessubjectssh85137522 "new"^^ . _:bnode43authoritiessubjectssh85137522 . _:bnode50authoritiessubjectssh85137522 . _:bnode50authoritiessubjectssh85137522 . _:bnode50authoritiessubjectssh85137522 "1992-07-15T10:50:19"^^ . _:bnode50authoritiessubjectssh85137522 "revised"^^ . _:bnode50authoritiessubjectssh85137522 .