Plane and spherical trigonometry /
Wentworth, George, n. 1868,
Plane and spherical trigonometry / By geoge wentworth and David Eugene Smith - # teacher's ed. - 501 páginas
Trigonometría
QA531 / W4
Plane and spherical trigonometry / By geoge wentworth and David Eugene Smith - # teacher's ed. - 501 páginas
Trigonometría
QA531 / W4