Twelve lessons in trigonometry
Longley, William Raymond, 1880-1965.
Twelve lessons in trigonometry [by] Longley and Wilson. - New Haven, Conn., Whitlock's book store, inc. [c1928] - 48 p. 23 cm.
Cover title. At head of title: Yale University, the freshman year.
ca 28000926
Trigonometry--Problems, exercises, etc.
QA537 / .L6
Twelve lessons in trigonometry [by] Longley and Wilson. - New Haven, Conn., Whitlock's book store, inc. [c1928] - 48 p. 23 cm.
Cover title. At head of title: Yale University, the freshman year.
ca 28000926
Trigonometry--Problems, exercises, etc.
QA537 / .L6