数学建模社区-数学中国

标题: first principle question [打印本页]

作者: antilysin    时间: 2006-11-14 12:45
标题: first principle question

how do u prove limx->0 (sinx)/x=1 from first principle?

btw: first principle = limh->0 [f(x+h)-f(x)]/h


作者: xjzkp    时间: 2006-12-1 13:58

能说得具体点吗、






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