Plane and spherical trigonometry /
Rider, Paul R.
Plane and spherical trigonometry / Paul R. Rider - New York : The Macmillan Company. 1969 - 142 pages : illustrations ; 21 cm.
971-08-1918-6
Trigonometry.
MAIN QA 531 / .R53 1971 c.1
Plane and spherical trigonometry / Paul R. Rider - New York : The Macmillan Company. 1969 - 142 pages : illustrations ; 21 cm.
971-08-1918-6
Trigonometry.
MAIN QA 531 / .R53 1971 c.1