名校
1 . 选修4-4:坐标系与参数方程
以坐标原点
为极点
轴的正半轴为极轴建立极坐标系,已知曲线
的极坐标方程为
.
(Ⅰ)求曲线
的参数方程;
(Ⅱ)若曲线与
轴的正半轴及
轴的正半轴分别交于点
在曲线
上任取一点
且点
在第一象限,求四边形
面积的取值范围.
以坐标原点
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18a6ffa901209e6a6900202ad06168c.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)若曲线与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ad34268602be5f9759ac9660d1ce0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab32133aaba2e9fb61339dcdb36b223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4b37603d3b3530824c24907c708d8c.png)
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2 . 选修4-4:坐标系与参数方程
以坐标原点 O 为极点,x 轴的正半轴为极轴建立极坐标系,已知曲线 C 的极坐标方程为
.
(1)求曲线 C 的普通方程;
(2)若曲线与 x 轴的正半轴及 y 轴的正半轴分别交于点 A , B ,在曲线C上任取一点 P ,且点 P 在第一象限,求四边形
面积的最大值.
以坐标原点 O 为极点,x 轴的正半轴为极轴建立极坐标系,已知曲线 C 的极坐标方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e7f40f7eb906249ffb2a29cef9f533d.png)
(1)求曲线 C 的普通方程;
(2)若曲线与 x 轴的正半轴及 y 轴的正半轴分别交于点 A , B ,在曲线C上任取一点 P ,且点 P 在第一象限,求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e902eb263971b466d0fcd91c56b453.png)
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名校
3 . 在直角坐标系中,曲线
的参数方程为
(
为参数),直线
的参数方程为
(
为参数).以原点为极点,
轴的正半轴为极轴建立极坐标系,点
的极坐标为
.
(1)求点
的直角坐标,并求曲线
的普通方程;
(2)设直线
与曲线
的两个交点为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4ddb56943e0266c8f0381ddd6462c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67531d8726e3798071a4e05301d55b93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0806d0294281ada339ee617c41c5136c.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
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2017-08-17更新
|
1043次组卷
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13卷引用:吉林省松原市实验高级中学等三校2016届高三下学期联合模拟考试文数试题
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4 . 选修4-4:坐标系与参数方程
在平面直角坐标系
中,曲线
的方程为
,在以原点为极点,
轴的非负关轴为极轴的极坐标系中,直线
的极坐标方程为
.
(1)将
上的所有点的横坐标和纵坐标分别伸长到原来的2倍和
倍后得到曲线
,求曲线
的参数方程;
(2)若
分别为曲线
与直线
的两个动点,求
的最小值以及此时点
的坐标.
在平面直角坐标系
![](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/f240cccaf24af8a796abb95cb42be52e.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/984281e58deb7f5b2b51b64187809dee.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76b1113864968119e61aeee9ba9c613b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2017-05-17更新
|
698次组卷
|
3卷引用:吉林省吉林大学附属中学2017届高三第七次模拟考试数学(理)试题
5 . 经过点
且倾斜角为
的直线
与抛物线
:
(
)交于A、
两点,
、
、
成等比数列.
(1)写出直线
的参数方程;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ea212f2e85b5f4a41a9fc63cefe772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.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/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e6f7ef8ede7bce7c46ae6ecc5bfe54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c68a8ac858a8cbe2c771ab8bea1511b5.png)
(1)写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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6 . 已知曲线
的极坐标方程为
,曲线
的极坐标方程为
,曲线
,
相交于
两点
(1)求两点
的极坐标;
(2)曲线
与直线
为参数)分别相交于
两点,求线段
的长度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9d705599a165c901b23d8d721f8aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a6a1d319648bb969845a9159cdba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7911362ce996958dee47efca6cac729e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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2017-04-07更新
|
819次组卷
|
6卷引用:2017届吉林省延边州高三下学期高考仿真考试数学(文)试卷
2010·吉林·模拟预测
7 . 已知在平面直角坐标系
内,点
在曲线C:
为参数
)上运动.以
为极轴建立极坐标系,直线
的极坐标方程为![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/967e1066ce5341b08b364be5297a4d02.png)
(Ⅰ)写出曲线C的标准方程和直线
的直角坐标方程;
(Ⅱ)若直线
与曲线C相交于A、B两点,点M在曲线C上移动,试求
面积的最大值.
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/e50b5bf3f9424df29eb09b7955d1ce74.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/70b136fd48df4a20b1ad638d2cbfd75f.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/d24ed571ae4c494fa2be1ded746c3c87.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/21c61276e8654af287e1450a4fed846a.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/3a8d275fdcfe421f9b9f78730ae68763.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/17e2799d49614107bbf953f06089600c.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/967e1066ce5341b08b364be5297a4d02.png)
(Ⅰ)写出曲线C的标准方程和直线
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/17e2799d49614107bbf953f06089600c.png)
(Ⅱ)若直线
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/17e2799d49614107bbf953f06089600c.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/54ed4579fcdf4015be4d31325d3895c3.png)
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8 . 选修4-4:坐标系与参数方程
在直角坐标系
中,直线
的参数方程为
(
为参数).在极坐标系(与直角坐标系
取相同的长度单位),且以原点
为极点,以
轴正半轴为极轴)中,圆
的方程为
.
(1)求圆
的直角坐标方程和直线
普通方程;
(2)设圆
与直线
交于点
,
,若点
的坐标为
,求
.
在直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51769657412241f38d6adc741985f97b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623afc24f2227004b0e1b3922dfb954b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a3f21d4d834ba5b8b80dd56732c136.png)
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名校
9 . 已知曲线C:
为参数)和定点
,
,
是曲线C的左,右焦点.
(Ⅰ)求经过点
且垂直于直线
的直线
的参数方程;
(Ⅱ)以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,求直线
的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0720cc553b043f9d3502129356d07e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a2c7ff06a8a7ae1783cb940db378f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a8ac969e5cec3be6abf4ff44c692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
(Ⅰ)求经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577f82d69a386a8a28d04fd4eb9d8ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅱ)以坐标原点为极点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78aa834961df10c8bc3c64615fb79f05.png)
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2016-12-02更新
|
707次组卷
|
3卷引用:东北师范大学附属中学2018届高三第五次模拟考试数学(文科)试题
10 . 在直角坐标系
中,圆
和
的参数方程分别是
(
为参数)和
(
为参数),以
为极点,
轴的正半轴为极轴建立极坐标系.
(1)求圆
和
的极坐标方程;
(2)射线
:
与圆
的交点分别为
、
,与圆
的交点分别为
、
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211b9e53e4677ae9e2b20d5f7ce0a4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4151fab0ff51c32c8dd5cbe9f630b3de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd0d5ca28e517bd41a8e47c5606807a.png)
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(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211b9e53e4677ae9e2b20d5f7ce0a4e4.png)
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(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f5d2e8186f0173d7862b1d39fb3dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211b9e53e4677ae9e2b20d5f7ce0a4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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您最近一年使用:0次
2017-02-08更新
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1372次组卷
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5卷引用:2017届吉林省梅河口市第五中学高三一模数学(文)试卷