在平面直角坐标系xOy中,以原点O为极点,x轴的正半轴为极轴建立极坐标系.曲线C1的极坐标方程为
,曲线C2的参数方程为
(t为参数),则C1与C2公共点的直角坐标为________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8e954590ade0158d6163ea0d717887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4489738afb415b8f3b57b2fdc7a495ca.png)
15-16高二下·河北邢台·阶段练习 查看更多[2]
更新时间:2016-12-04 14:13:18
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【推荐1】在平面直角坐标系中,直线
的参数方程为
(参数
),以原点为极点,
轴非负半轴为极轴建立极坐标系,圆
的极坐标方程为
,则圆
上的点到直线
的距离最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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【推荐2】已知直线
的极坐标方程为
,点
的极坐标为
, 则点
到直线
的距离为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310d2033edd430176006135681ef5747.png)
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【推荐1】已知直线
的参数方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8cfa3a19b88d9ab92ab39bc50dc509.png)
为参数,圆
的参数方程为
,则直线
被圆
所截得的弦长为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8cfa3a19b88d9ab92ab39bc50dc509.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/e97c4bd4d99efc219074245b9cdfe787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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【推荐2】(坐标系与参数方程选做题)设P(x,y) 是曲线C:
(θ为参数)上任意一点,则
的取值范围是______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12bba92929b2dc1ce47c934eac4b4c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c451f86cfc840daf7342575ec62930b.png)
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【推荐3】在直角坐标系
中,已知曲线
的参数方程是
(
是参数),则曲线
的普通方程是__________ ,若以
为极点,
轴的正半轴为极轴,则曲线
的极坐标方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b2d2b82cd298e88b2e8904738ba37c.png)
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