已知曲线
的参数方程是![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/89c6ba84d3f54f179565ca9a89170322.png?resizew=65)
,以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程是
,则
与
交点的直角坐标为__________ .
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/217078c3cad943fdbee11a6b7a9c4392.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/89c6ba84d3f54f179565ca9a89170322.png?resizew=65)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/1d11b6bb592548de87603b799a26b340.png?resizew=65)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/823a790b0fdb4988a8f2a7649674cb64.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/34c11a7a04a048bcb0034449dbdcc8c0.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/7f5bb329950c461a9ee660f0caa6107f.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/217078c3cad943fdbee11a6b7a9c4392.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571783122010112/1571783127826432/STEM/34c11a7a04a048bcb0034449dbdcc8c0.png?resizew=20)
2014·湖北·高考真题 查看更多[4]
2014年全国普通高等学校招生统一考试理科数学(湖北卷)(已下线)2015届湖北省部分重点中学高三上学期起点考试理科数学试卷(已下线)专题13.2 参数方程(练)【理】-《2020年高考一轮复习讲练测》(已下线)专题12.2 参数方程(练)【文】-《2020年高考一轮复习讲练测》
更新时间:2016-12-03 02:23:52
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【推荐1】在极坐标系中,点
到直线
的距离![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0093bd091fdcf4ab444bfeb60f87825a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5527d20a46c94e89a1c733d6ca2cbac9.png)
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【推荐2】在极坐标中,点(
,
)到直线ρcosθ=2的距离等于_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
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【推荐3】已知曲线
的参数方程为
(
为参数), 以O为极点,x轴正半轴为极轴建立极坐标系,则曲线
的极坐标方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f0b3463a7e4c78dc8c16e06bbb9bf8.png)
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解题方法
【推荐1】在平面直角坐标系
中,若直线
:
(
为参数)和直线
:
(
为参数)平行,则常数
的值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b754e907977df233c62cec1d172dfd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1a90a3f39a0f0355e8913456c16dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】直线
(
是参数,
)的一个方向向量是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f3733b0cd229007aadb8cde69d9d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
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