解题方法
1 . 椭圆
(
为参数)的焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b876fc2cd669fc924fa956bb3b9202a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 以平面直角坐标系的原点为极点,以
轴的正半轴为极轴,建立极坐标系,则曲线
(
为参数,
)上的点到曲线
的最短距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a963c0a19fa16b2415891b075dd04342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2df1bc516cf59796f7610454440afc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea0a763a0f6d9a499affb6dcb3e4d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5e4719be72e4b53134ffc1364e5eb6.png)
A.0 | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
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3 . 直线
,(
为参数)的倾斜角
等于( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73eb22a75135542457e369cd2c4bdb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-05-22更新
|
146次组卷
|
2卷引用:陕西省榆林市绥德中学2019-2020学年高二下学期第一次阶段性测试数学(理)试题
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4 . 已知圆
的参数方程为
(
为参数),以原点为极点,
轴正半轴为极轴建立极坐标系,直线
的极坐标方程为
,则直线
与圆
的交点的直角坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990da549aa7bfd6eba634da0621e69e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](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/174e096282d38a2482244880356711da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
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解题方法
5 . 已知曲线的参数方程为
它表示的曲线是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc7c0152eadb9f7727122033bf7cab5.png)
A.直线 | B.双曲线 | C.椭圆 | D.抛物线 |
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解题方法
6 . 曲线
(
为参数)的普通方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b447354b6de218cb6b5c2475820558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
7 . 以平面直角坐标系的原点为极点,
轴的正半轴为极轴,建立极坐标系,两周坐标系中取相同长度单位,已知直线
参数方程是
(
为参数),圆
极坐标方程是
,则直线
被选
截得弦长为( )
![](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/5615d8f6fbe8e55eae3961f310218b46.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/925b34a1e7a48f450d883f9a0197e5c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 已知圆C的参数方程为:
(
为参数),则圆心C到直线
的距离为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5216e52836a8bcaf140c7ecb38162592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
A.![]() | B.![]() | C.1 | D.2 |
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解题方法
9 . 若直线的参数方程为
(
为参数),则直线的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3194c2a436bebc3a10a5d234fdf496fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-23更新
|
338次组卷
|
4卷引用:山西省太原市太原师范学院附属中学2018-2019学年高二下学期第二次月考数学(理)试题
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解题方法
10 . 下列参数(
为参数)方程中,与
表示同一曲线的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46ab26e2d950296e9edb81bb20bdcff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-05更新
|
351次组卷
|
2卷引用:上海市金山中学2019-2020学年高二上学期期末数学试题