Elements of trigonometry
Pingnani, Tullio J.
Elements of trigonometry Tullio J. Pignani - New York : Brace and works, 1968. - xv, 284p. : ills. ; 26 cm.
Plane trigonometry.
Trigonometry.
651.24 / PIE 1968
Elements of trigonometry Tullio J. Pignani - New York : Brace and works, 1968. - xv, 284p. : ills. ; 26 cm.
Plane trigonometry.
Trigonometry.
651.24 / PIE 1968