名校
解题方法
1 . 已知直线
的参数方程为
(
为参数),圆
的极坐标方程为
,若在圆
上存在一点
,使得点
到直线
的距离最小,则点P的直角坐标为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3480b4605d16bb13928862803a5380dc.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/d95822dd0efbda86e8577d57feeda261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2 . 在极坐标系中,曲线
上恰有3个不同的点到直线
的距离等于1,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35afb47becd6df48e4a805640701945d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dd334066d0170df1c12777b5319251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
3 . 在极坐标系中,点
到直线
的距离是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711396075aa1ca4be9191c5c22dfe463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d992d70f08aa87aa83bafa65fde6d8.png)
您最近一年使用:0次
4 . 若极点与原点重合,极轴与x轴非负半轴重合,则极坐标方程:
化为直角坐标方程是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369ed4c15818db2387c1e9dd5f97abfd.png)
您最近一年使用:0次
5 . 在极坐标中,已知点
的极坐标为
,圆
的极坐标方程为
,则圆
的圆心与点
的距离为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e71805891a5c451beda30da0437fe67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
您最近一年使用:0次
6 . 在平面直角坐标系中,曲线C的参数方程为
(
为参数),以坐标原点为极点,x轴的非负半轴为极轴建立极坐标系,直线l的极坐标方程为,
,若曲线C上恰有3个点到直线l的距离等于1,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2419cc4ac70b1d38b440f475408203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21509ca3989e3c5571fa18917cb1c4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
7 . 把极坐标方程
化成直角坐标标准方程是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5682442e3a83cb533a0159a0f0c67bd9.png)
您最近一年使用:0次
2020-02-03更新
|
395次组卷
|
3卷引用:2016届上海市奉贤区高三4月调研测试(二模)(理)数学试题
8 . 在极坐标系中,点
到直线
的距离为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d63155d7c76f8d1c05db276e3c6d5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ea865f30a8d5b59034f535687e22df.png)
您最近一年使用:0次
名校
9 . 在极坐标中,直线
被圆
截得的弦长为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8e24f8a9970ed7ba252e664f50ca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.png)
您最近一年使用:0次
2020-01-11更新
|
298次组卷
|
3卷引用:上海市复兴高级中学2015-2016学年高三下学期3月月考(理)数学试题
10 . 将极坐标方程
化为直角坐标方程得________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8936de0d585b78a8eda44553071e296b.png)
您最近一年使用:0次