名校
1 . 在同一平面直角坐标系中经过伸缩变换
后曲线C变为曲线
,则曲线C的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eca3df0206b4fbb746dd12e6379d5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9acf20c4c3f2fab6d7055ca486a6d55.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-03-23更新
|
324次组卷
|
3卷引用:福建省泉州市永春一中2019-2020学年高一新生夏令营学科素质测试数学试题
2 . 在直角坐标系
中,直线
的倾斜角为
,曲线
.以坐标原点为极点,
轴正半轴为极轴建立极坐标系.
(1)求
和
的极坐标方程;
(2)若
与
交于
两点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3016baf1a9ce777f16ea9ce469b2510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087e36e7e01b3dded9d6ab22e1b46da1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f0cf66dd253c7f1e44dcb6ed99cc12.png)
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3 . 在直角坐标系xOy中,一单位圆的圆心的初始位置在
,此时圆上一点P的位置在
,圆在x轴上沿正向滚动.当圆滚动到圆心位于
时,
的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b6a9ffffc0c461881b427c543924cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832f2474efe89961ef41e884da7660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
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2020-03-02更新
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370次组卷
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3卷引用:河北省“五个一”名校联盟2018-2019学年高一下学期期末联考数学试题
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4 . 在极坐标系中,点
与
的位置关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22c2abffe07000fd146da44182bc4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f27a2db44e41ded849422ffc2610e8.png)
A.关于极轴所在直线对称 | B.关于极点对称 |
C.重合 | D.关于直线![]() |
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5 . 将点的直角坐标
化为极径
是正值,极角在0到
之间的极坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335703a8ada2c9b534b485efe93c44ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171102a883b22fe6ca578efc8926f5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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6 . 直线
和圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a852d7c0d181966ac42e482475278a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf896fd12a5fe4c23f76b5afc18511.png)
A.相切 | B.相离 | C.相交但不过圆心 | D.相交且过圆心 |
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7 . 将参数方程
(
为参数)化为普通方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c79898ce7752c88ffc849a0eac2b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-12-30更新
|
435次组卷
|
3卷引用:福建省泉州市永春一中2019-2020学年高一新生夏令营学科素质测试数学试题
8 . 若直线
的参数方程为
(
为参数),则直线
的倾斜角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0f207afe400ae082af466a96f3c361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-12-30更新
|
516次组卷
|
3卷引用:福建省泉州市永春一中2019-2020学年高一新生夏令营学科素质测试数学试题
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9 . 已知点
是曲线
:
(
为参数,
)上一点,
为原点,若直线
的倾斜角为
,则点
的直角坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484f12db4a6a28128467d5445d403d22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278c6f21492d19ebee1a938560b91511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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10 . 两圆
,
的公共部分面积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-12-28更新
|
800次组卷
|
2卷引用:福建省泉州市永春一中2019-2020学年高一新生夏令营学科素质测试数学试题