名校
1 . 在平面直角坐标系
中,以
正半轴为始边的钝角
的终边与圆
交于点
,点
沿圆顺时针移动
个单位弧长后到达点
,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bd36d19352628cb54c214436ee3322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27bd43bc4af1e3b28d0de0cc561b879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6e75677951ef1388f76aee5a779149.png)
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解题方法
2 . 已知圆
,圆
,直线
分别过圆心
,且
与圆
相交于
两点,
与圆
相交于
两点,点
是椭圆
上任意一点,则
的最小值为___________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948811debe828137d751f874107b6cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa1f806f44c9be10309332a634ed2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64b7ab668d61bcb8ec6d195c672a81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0be4d16f4078f745abf2798cb2b80.png)
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2019-08-21更新
|
529次组卷
|
4卷引用:上海市奉贤区奉贤中学2018-2019学年高二下学期期末数学试题
上海市奉贤区奉贤中学2018-2019学年高二下学期期末数学试题上海交通大学附属中学2020-2021学年高二下学期开学考数学试题(已下线)第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)江西省南昌县莲塘第一中学2019-2020学年高二12月月考数学(文)试题
3 . 在平面直角坐标系中,记
为点
到直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
的距离,当
,
变化时,
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c531477a4bea1485c937ccafb5bb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287bea966292e8d23841d85ea7db158c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
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4 . 若直线
(t为参数)的方向向量与直线
的法向量平行,则常数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/164c5c26d2fc95194edd9ec07990fe18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d96f280040e7e94afbbee1ed90f56d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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5 . 若点
在参数方程
(
为参数)表示的曲线上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f76c6298a51a5e417adb7f70403265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bed45150052b5df3e404faff23f61f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
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2019-07-04更新
|
516次组卷
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3卷引用:人教A版 全能练习 选修4-4 第二讲 第一单元 1.参数方程的概念 2.圆的参数方程
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6 . 若直线l的参数方程为
,
,则直线l在y轴上的截距是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04754684f3bbd226261014b13dd515bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
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2020-01-30更新
|
229次组卷
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3卷引用:2017届上海市浦东新区高考二模数学试题
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7 . 在平面直角坐标系中,以原点为极点,
轴正半轴为极轴,建立极坐标系.已知抛物线
的极坐标方程为
,直线
的参数方程为
(
为参数).设直线
与抛物线
的两个交点为
、
,点
为抛物线
的焦点,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad98f2f309d31bbf9fe0f20e0c7cb2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23900ed8cefe27e975302712435bb85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56f5df84331896242be97d7efe670ec.png)
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2019-05-11更新
|
407次组卷
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2卷引用:【全国百强校】湖南师范大学附属中学2018-2019学年高二下学期期中考试数学(理)试题
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8 . 设直线l:
(t为参数),曲线C:
(
为参数),直线l与曲线C交于A、B两点,则|![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
__ (用数字填写)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f015d2ddf2146636a2f7565a380112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315b7af2d3ed6605ad233411568a453a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
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2019-04-02更新
|
242次组卷
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3卷引用:【区级联考】天津市红桥区2019届高三一模数学(理)试题
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9 . 若直线
的参数方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb06c47cf955514d1161c0862dce8a6.png)
,则直线
的倾斜角是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb06c47cf955514d1161c0862dce8a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
10 . 已知曲线
的参数方程为
(
为参数),在同一平面直角坐标系中,将曲线
上的点按坐标变换
得到曲线
,则曲线
的普通方程______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f2e2bbd5e0e6e9fe4ab76b5738fd74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2021c9a8e7e369a5aa128c9b0d7f7c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
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