(坐标系与参数方程选做题)在平面直角坐标系xOy中,曲线C1与C2的参数方程分别 发布时间:2017-05-02 13:47 │ 来源:www.tikuol.com 题型:填空题 问题: (坐标系与参数方程选做题)在平面直角坐标系xOy中,曲线C1与C2的参数方程分别为x=ty=t(t为参数)和x=2cosθy=2sinθ(θ为参数),则曲线C1与C2的交点坐标为______.
题型:填空题 —Of all your coats, why do you like this one best?—Because it’s _________ than the others.A.much beautiful.B.more expensive.C.much cheap.D.much more beautiful. 查看答案