1 . 点
到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8690c82392dfcafce7c0ddc29fb8a7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6322a225149d67faa9c7ec89814b1f73.png)
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2 . 把以下直角坐标系中的点化为极坐标(
,
)
(1)A(-1,1)______ (2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02385139d6d57d44dc4456fa15f7d70e.png)
______
(3)C(0,-1)______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7026315511e1afd55a97b5278b0dd2cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eec3e684af41f9ed4db5b931b9ccfb6.png)
(1)A(-1,1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02385139d6d57d44dc4456fa15f7d70e.png)
(3)C(0,-1)
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名校
3 . 直线
被曲线
(
为参数)截得的弦长为
,则实数
的值为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292fc234260672633fd445545a932553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a89efbc9a30e9f3e9ee4201a6fb9030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-03-11更新
|
462次组卷
|
3卷引用:四川师范大学附属中学2021-2022学年高二下学期期中考试数学(理)试题
名校
解题方法
4 . 已知直线
的参数方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03667756128631f7bb98c7057eaffa63.png)
,请写出
的一个方向向量______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03667756128631f7bb98c7057eaffa63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe769c9fc76089fad3e748178fbaeb09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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5 . 直线
过点
且其一个方向向量为
,直线
的参数方程为
(
为参变数),若
,则直线
与
之间的距离为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d489f9ec2147fa1f834170c1293bd42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027830fc47290062692964077ee481e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
2023-01-14更新
|
178次组卷
|
2卷引用:山东青岛四区县2022-2023学年高二上学期期末考数学试题
22-23高二上·上海浦东新·阶段练习
6 . 已知圆
的极坐标方程为
,则在平面直角坐标系中圆
的参数方程可以是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2022高三·全国·专题练习
解题方法
7 . 已知直线参数方程为
,圆
的参数方程为
,则圆心到直线的距离为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf1d4511777b3500decd7434fb1911d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95394e9222467fe55e6b9fa07fa2392a.png)
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2022高三·全国·专题练习
8 . 以直角坐标系的原点为极点,
轴非负半轴为极轴,建立极坐标系,在两种坐标系中取相同的单位长度,点
的极坐标为
,曲线
的参数方程为
,则曲线
上的点到点
距离的最大值为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e749259c8536b576febec58d2729195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4583cc0a2495c8cf5f3bd380d0b5ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2022高三·全国·专题练习
解题方法
9 . 已知在极坐标系中,
为极点,圆
的极坐标方程为
,点
的极坐标为
,则
的面积为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87336632fa522b53e317d3e9c4f9a8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3deb2f685fff5b6053b490fab6924e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29eaf0ed8d20d6cac5d614570a5e8267.png)
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10 . 直线
(t为参数)的倾斜角是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dae78a65f2282641ca4cda99617d14.png)
您最近一年使用:0次