名校
解题方法
1 . 在平面直角坐标系
中,已知圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac76cccc78ea943676c28a3872e1c40.png)
(1)若直线
与圆
相切,且在坐标轴上截距相等,求直线
的方程;
(2)若过
点的射线
与圆
有两个不同交点
,且射线
上存在点
使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac76cccc78ea943676c28a3872e1c40.png)
(1)若直线
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacfc149ede71417fa599c21b5a84cb8.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2564fdd4ad325c995786536e380406f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a84af713ec9898211637cfa1b0ef3b2.png)
您最近一年使用:0次
名校
2 . 已知曲线
的参数方程为
(
为参数),直线
过点
.
(1)求曲线
的普通方程;
(2)若直线
与曲线
交于
,
两点,且
,求直线
的倾斜角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4c4c9cf8f0bd3f84fdc5bae0aa65b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](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/ffea71f4a401758f650444e16c10d017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-04-10更新
|
1243次组卷
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6卷引用:江西省100所名校最新模拟示范卷2023届高三全国统一考试数学(文)试题(四)
名校
3 . 在直角坐标系xOy中,曲线C的参数方程为
(
为参数).以坐标原点为极点,x轴正半轴为极轴建立极坐标系,已知直线
的极坐标方程为
.
(1)写出
的直角坐标方程;
(2)已知点
,若l与C交于A,B两点,且
,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dadca2f308ede855eb1e25955ade087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0bde847e90666da28bec644998cf22.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce171aaebc875b97e60a64bf4f2c59f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc6645fb7762ce2d6ae18439296c65f.png)
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2023-03-02更新
|
2307次组卷
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8卷引用:四川省泸州市2023届高三下学期第二次教学质量诊断性考试数学(文科)试题
四川省泸州市2023届高三下学期第二次教学质量诊断性考试数学(文科)试题四川省泸州市2023届高三第二次教学质量诊断性考试数学(理科)试题四川省成都市实验外国语学校2023届高三第五次质量检测数学文科试题四川省成都市实验外国语学校2023届高三第五次质量检测数学理科试题四川省成都市简阳市阳安中学2022-2023学年高二下学期5月月考数学(理)试题(已下线)2023年高考全国甲卷数学(文)真题变式题21-23(已下线)2023年高考全国甲卷数学(理)真题变式题21-23(已下线)2024年高考全国甲卷数学(理)真题平行卷(提升)
4 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数).以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)求曲线
和直线
的直角坐标方程;
(2)已知点
,直线
和曲线
相交于
、
两点,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e389265421ef4e8574200d543a912df0.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/05d0b223e3c800192b7778e6d0c4e5a0.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a436db19eb954d31075d5398f1b92ecd.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77684b3856f797403b2040c5dc73c2ce.png)
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2022-01-28更新
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2970次组卷
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10卷引用:四川省攀枝花市2022届高三第二次统一考试数学(理)试题
四川省攀枝花市2022届高三第二次统一考试数学(理)试题四川省攀枝花市2022届高三第二次统一考试文科数学试题四川省成都市嘉祥教育集团2021-2022学年高二下学期期中质量监测数学(理)试题(已下线)文科数学-2022年高考押题预测卷02(全国甲卷)(已下线)理科数学-2022年高考押题预测卷02(全国甲卷)河南省南阳市第一中学校2022届高考考前适应性考试文科数学试题江西省新余市第一中学2022届高三5月全真模拟考试数学(理)试题(已下线)江西省上饶市2023届高三第一次高考模拟考试数学(理)试题变式题21-23(已下线)四川省巴中市2023届高三“一诊”考试数学(理)试题变式题21-23河南省焦作市第四中学2022-2023学年高二下学期4月月考数学试题
名校
解题方法
5 . 在平面直角坐标系xOy中,已知直线l的方程为
,曲线C的参数方程为
(
为参数且
),以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系.
(1)求曲线C的极坐标方程;
(2)若已知射线
,其中
且
与曲线C交于点M,与直线l交于点N,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a325224b404376bcedc4129b56c173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5806e9568f8c8ced0b6719ba6fb3a75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70b48360dc2b8c627bc4930dd509c0d.png)
(1)求曲线C的极坐标方程;
(2)若已知射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea7169b5c5de510de193d2b5dad5118.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28bab4caf2c92e840962eb3a11459b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309f416206e5f11c67408c3af0f9b4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86971cee973445cfa3e853edf7ffba10.png)
您最近一年使用:0次
2022-01-15更新
|
1764次组卷
|
6卷引用:贵州省贵阳市五校2022届高三11月联合考试数学(理)试题(三)
贵州省贵阳市五校2022届高三11月联合考试数学(理)试题(三)(已下线)数学-2022届高三下学期开学摸底考试卷C(理科)(新课标专用)(已下线)数学-2022届高三下学期开学摸底考试卷C(文科)(新课标专用)(已下线)必刷卷01 (理)-2022年高考数学考前信息必刷卷(全国乙卷)(已下线)必刷卷01(文)-2022年高考数学考前信息必刷卷(全国乙卷)四川省绵阳市三台中学校2024届高三下学期第二学月测试理科数学试题
6 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数,
).
(1)求曲线
的直角坐标方程;
(2)已知直线
的参数方程为
(
为参数,
),点
,并且直线
与曲线
交于
两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4bf298bac6afc553ed0211c479a7b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc0bf1a42bc61d6b3c1e77f060d06d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449d2d8415e63f7fdd67d19af1c09a16.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5026e1d5fcf2498b2e5ec5da4e0b11b2.png)
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2022-01-10更新
|
1834次组卷
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3卷引用:江西省五市九校(分宜中学、高安中学、临川一中、南城一中、彭泽一中、泰和中学、玉山一中、樟树中学、南康中学)协作体2022届高三第一次联考数学(理)试题
名校
7 . 已知曲线
,直线
为参数)过曲线
上任意一点
作与
夹角为
的直线,交
于点
,求
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a4868c29d9de5a7efde4e027e89123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f618b8c02b31f3a21cbb1f92d57dd3a1.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424e15816186bfb42f649e624193dfe2.png)
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8 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数且
),以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)说明
是哪种曲线,并将
的方程化为极坐标方程;
(2)设点
的极坐标为
,射线
与
的交点为
(异于极点),与
的交点为
(异于极点),若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cbc69a6dfbb156d5f1dc5155c7136e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf13332b32a846c4b0d76c4a41724fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef2611fdb7d020c3abd494050a940f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e775061b3e42b58cf1e4f0c9748d3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0814a340c544d5f5d8eef8bc00c434b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5ff741ddf4211f6f20b63220bc8893.png)
您最近一年使用:0次
2021-03-21更新
|
2464次组卷
|
13卷引用:湘豫名校联考2020-2021学年高三(3月)理科数学试题
湘豫名校联考2020-2021学年高三(3月)理科数学试题湘豫名校联考2020-2021学年高三(3月)文科数学试题湘豫名校联盟2021届高三3月联考数学(文)试题(已下线)押第22题 极坐标与参数方程-备战2021年高考数学(文)临考题号押题(全国卷1)(已下线)押第22题 极坐标与参数方程-备战2021年高考数学(理)临考题号押题(全国卷1)江西省萍乡市2022届高三第一次质量检测数学(文)试题江西省萍乡市2022届高三第一次质量检测数学(理)试题四川省成都市成华区成都列五中学2021-2022届高三上学期数学(理)入学摸底考试试题四川省成都列五中学2022-2023学年高三上学期入学摸底考试数学(理科)试题江西省抚州市金溪县第一中学2023届高三上学期第一次月考数学(理)试题(已下线)第01讲 极坐标与参数方程(练)四川省绵阳南山中学实验学校2023届高三补习班下学期2月考试考试理科数学试题四川省成都市石室中学2021-2022学年高二下学期零诊模拟练习文科数学试题
名校
解题方法
9 . 已知
点是椭圆
上的动点,
点是圆
上的动点,则线段
长度的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ecf7a6913d90c2df051d608011cc57.png)
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2卷引用:贵州省凯里市第三中学2020-2021学年高二下学期开学考试数学试题
名校
10 . 数学中有许多形状优美、寓意美好的曲线,如星形线(如图),若让一个半径为
的圆在一个半径为
的圆内部,沿着圆的圆周滚动,小圆圆周上的任一点形成的轨迹即为星形线,其方程为
,给出下列四个结论,正确的有( )
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642242996936704/2651074466897920/STEM/c29be142c2fb4e608f4708b4cea1ede7.png?resizew=175)
(1)星形线的参数方程为:
(
为参数)
(2)若
,则星形线及其内部包含33个整点;(即横、纵坐标均为整数的点)
(3)曲线
在星形线
的内部(包含边界);
(4)设星形线围成的面积为
,则
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7081727a19eba3003a689f78872086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309ad39777b3791c60c6c2782fd1e41f.png)
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642242996936704/2651074466897920/STEM/c29be142c2fb4e608f4708b4cea1ede7.png?resizew=175)
(1)星形线的参数方程为:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba98a3cbae70b69aaa45d034f358b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
(3)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaceba4bfaac6c7a6dff561d92d9096a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb228a835eea0494d4422a42e77dd69.png)
(4)设星形线围成的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d53b0f9c28ab94f1f6c1db3766b6b88b.png)
A.(1)(3)(4) | B.(1)(2)(3)(4) |
C.(2)(3) | D.(1)(2)(3) |
您最近一年使用:0次
2021-02-04更新
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508次组卷
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3卷引用:上海市上海中学2020-2021学年高二上学期期末数学试题