参数方程x=tsint y=tcost 确定函数y=y(x),求dy/dx
参数方程x=tsint y=tcost 确定函数y=y(x),求dy/dx
数学人气：865 ℃时间：2019-10-31 08:02:14
优质解答
(cost-tsint)/(sint+tcost)确定是不是标准答案？、100%正确
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