中国“勾股”术与印度三角体系的等价性探讨

GOUGUIS THE SYSTEM EQUALING TO INDIAN TRIGONOMETRY SYSTEM

论述了中算中的“勾股”术与印度“三角”的等价性，及有关三角问题的中算“勾股”处理．指出中算自身的内容蕴含着三角内容的等价体系，为唐代中算没有接受印度三角学提供了一个支持．

This paper deals with method of Chinese mathematics system mainly based on“ Gougu”w hich is the syste m equaling to Indian trigono metry system( I T S) ,pointing out the factthat I S T was contained in ancient Chinese mathem atics .