Niles, Nathan O.
Plane trigonometry / Nathan O. Niles - London : Willey, c 1959. - xi, 234 p. : ill. ; 22 cm.
Includes index.
310 310
Trigonometry.
514.5 / N59p
Plane trigonometry / Nathan O. Niles - London : Willey, c 1959. - xi, 234 p. : ill. ; 22 cm.
Includes index.
310 310
Trigonometry.
514.5 / N59p