2012·云南红河·一模
1 . 已知极坐标系的极点与直角坐标系的原点重合,极轴与直角坐标系的
轴的正半轴重合.直线
的参数方程是
(
为参数),曲线
的极坐标方程为
.
(I)求曲线
的直角坐标方程;
(II)设直线
与曲线
相交于
两点,求
两点间的距离
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ac492de91e8df8f051dd9d4ce0799a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be65bef7c1baedafa05003118c7ff89.png)
(I)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(II)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
您最近一年使用:0次
2016-12-01更新
|
1033次组卷
|
3卷引用:2014-2015学年辽宁省沈阳二中高二上学期期末考试文科数学试卷
10-11高二下·吉林·阶段练习
名校
2 . 在直角坐标系
中,直线
的参数方程为
(
为参数),在极坐标(与直角坐标系
取相同的长度单位,且以原点
为极点,
轴正半轴为极轴)中,圆
的方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4171a30d75286a3e4a1a91f31eba3c40.png)
(1)求圆
的直角坐标方程;
(2)设圆
与直线
交于点
,
,若点
的坐标为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8310be941f1b5a8da9726c23bd2f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4171a30d75286a3e4a1a91f31eba3c40.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96394405807439f8aa1c2edd12a1d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
您最近一年使用:0次
2016-11-30更新
|
870次组卷
|
6卷引用:辽宁省沈阳市郊联体2017-2018学年高二上学期期末考试数学(文)试题
9-10高三·宁夏银川·阶段练习
3 . 已知曲线C1的极坐标方程为ρ=6cosθ,曲线C2的极坐标方程为
(
,曲线C1,C2相交于点A,B.
(1)将曲线,C2的极坐标方程化为直角坐标方程;
(2)求弦AB的长.
![](https://img.xkw.com/dksih/QBM/2010/11/4/1569887531794432/1569887537209344/STEM/895961a3a0374ad98ab696de0681d739.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2010/11/4/1569887531794432/1569887537209344/STEM/057b62289ac749c787581a0070d96829.png?resizew=41)
(1)将曲线,C2的极坐标方程化为直角坐标方程;
(2)求弦AB的长.
您最近一年使用:0次