几何起源于古代的土地测量问题.在我国周代就有了“勾股定理”.后来经希腊人欧几里得(Euclid)的系统整理而成为理论严密的一门数学.这方面最早是由意大利传教士利玛窦(Metteo Ricci,1552-1610)传进我国,他和徐光启(1562-1633)合作中译为《几何原本》.关于三角学,据我国数学史名家白尚恕教授在《白尚 Geometry originated from ancient land surveying, and in the Zhou dynasty we had the “Pythagorean Theorem.” Later, it was systematically organized by the Greek Euclid and became the mathematically rigorous theory. Was introduced into our country by the Italian missionary Ricci (Metteo Ricci, 1552-1610) and translated into “original geometry” in cooperation with Xu Guangqi (1562-1633) .In regard to trigonometry, according to the famous professor of mathematics in history, White is still