1 . 在平面直角坐标系
中,已知圆
的参数方程为
(其中
为参数).以坐标原点
为极点,
轴非负半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)将圆
的参数方程化为普通方程,直线
的极坐标方程化为直角坐标方程;
(2)若
是直线
上任意一点,过
作
的切线,切点为
,求四边形
面积的最小值.
![](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/666a86af9dca1765a33216381f602bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2229c67575710ec253fba1a17986f80.png)
(1)将圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/e0aae4ebe43c66c10c3d225c640ee772.png)
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4卷引用:新疆新和县实验中学2023届高三素养调研第一次模拟考试数学(理)试题
2 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数).以坐标原点为极点,
轴正半轴为极轴建立极坐标系,曲线
的方程为
.
(1)求直线
和曲线
的普通方程;
(2)设点
,若直线
与曲线
相交于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befc3deb795e9fe638072789d8aaf1f1.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841afc4d922ade4abfae0bceeaae425f.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca979687ffb2214e747525635a6912c.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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108fc1ce97dce4237396972429dfa05c.png)
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2023·新疆·模拟预测
3 . 在直角坐标系xOy中,曲线C的参数方程为
(t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,直线l的极坐标方程为
.
(1)写出直线l的直角坐标方程;
(2)设曲线C与x轴的交点为A,B(点A在点B的左侧),若直线l上存在点M,满足
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0484f85454a1f4969b534d06f72857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eff8cba80a5e8c641020c74444ece3c.png)
(1)写出直线l的直角坐标方程;
(2)设曲线C与x轴的交点为A,B(点A在点B的左侧),若直线l上存在点M,满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3c8d44803d79c249ebc1f791e337bf.png)
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4 . 在平面直角坐标系xOy中,已知直线l:
与曲线C:
(θ为参数).以坐标原点为极点,x轴的正半轴为极轴建立极坐标系.
(1)求直线l和曲线C的极坐标方程;
(2)在极坐标系中,已知射线m:
与直线l和曲线C的公共点分别为A,B,
,当
时,求α的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e824858b43372250cc404df221e708.png)
(1)求直线l和曲线C的极坐标方程;
(2)在极坐标系中,已知射线m:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf0ebb75a4215fc704663984af206c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4232c02cacf8368b943d22252dd943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/806ef79759b4125de44fbf7cc6a47dcc.png)
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名校
解题方法
5 . 在直角坐标系
中,已知曲线
:
(
为参数).经伸缩变换
后的曲线为
,以原点О为极点,x轴非负半轴为极轴建立极坐标系.
(1)求曲线
的极坐标方程;
(2)M,N是曲线
上的两点,且
,求
面积的取值范围.
![](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/a906dd7154a53fdba2a9c4b84b43d3ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4370c8ba30bf10a1a9eb400a19c3d0e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)M,N是曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d446bcab7d282f68769143b30d011b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
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5卷引用:新疆部分学校2023届高三上学期第一次联考数学(理)试题
新疆部分学校2023届高三上学期第一次联考数学(理)试题慕华优策联考2022-2023学年高三第一次联考理科数学试题慕华优策联考2022-2023学年高三第一次联考文科数学试题宁夏石嘴山市第三中学2023届高三第一次模拟考试数学(理)试题(已下线)专题10-1 极坐标与参数方程题型归类(讲+练)-1
6 . 已知在直角坐标系
中,曲线
的参数方程为
(
为参数),直线
经过定点
,倾斜角为
.
(1)写出曲线
的普通方程;
(2)设直线
与曲线
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/8c1d31a5c68e409bc994065e34cc34f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(1)写出曲线
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
您最近一年使用:0次
名校
7 . 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,取相同长度单位建立极坐标系,直线
的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de16f0a20bc6d505cf707c07c72c1810.png)
(1)求曲线
的普通方程和直线
的直角坐标方程;
(2)设直线
与
轴的交点为
,经过点
的动直线
与曲线
交于不同的
,
两点,证明:
为定值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6b587aaa2d40fc143d19de4c70f96c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3217fa687c8a339e86fc482c826e2edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de16f0a20bc6d505cf707c07c72c1810.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcf9bfbf771cb6118f8e631724314e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7fa8ab7532d8eeb9d8d4657e3d7c53.png)
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3卷引用:新疆维吾尔自治区喀什第六中学2023届高三上学期9月实用性月考(一)数学(文)试题
8 . 已知极坐标系的极点与直角坐标系的原点重合,极轴与
轴的非负半轴重合.若曲线
的极坐标方程为
,直线
的参数方程为
(t为参数).
(1)求曲线
的直角坐标方程与直线
的普通方程;
(2)设点
,直线
与曲线
交于
、
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2bb8c94f0bb31f655fc6dd23f469a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d2392138474a9b1629705522f1b3cb.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9af1652619b020ab51b7d758fa20aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d2ac391522f257d51b6ab2240b7324.png)
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3卷引用:新疆乌鲁木齐市第八中学2023届高三上学期第一次月考数学(理)试题
9 . 在直角坐标系
中,曲线C的参数方程为
(
为参数).以坐标原点O为极点,x轴正半轴为极轴建立极坐标系,直线l的极坐标方程为
.
(1)求C的极坐标方程和l的直角坐标方程;
(2)l与C交于A,B两点,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286fbc64b5c0e155a3646bce750647af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a4a81c54633ad73c1112e9276a2e76.png)
(1)求C的极坐标方程和l的直角坐标方程;
(2)l与C交于A,B两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d5bb5ad0cfdeff469c1f70a068b7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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4卷引用:新疆阿克苏市生产建设兵团第一师高级中学2023届高三上学期第二次月考数学(理)试题
名校
10 . 在直角坐标系
中,曲线
的参数方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ad7a6ab7b8d8d094fd41ebcc57b551.png)
为参数),
是
上的动点,
点满足
点的轨迹为曲线
.
(1)求
的参数方程;
(2)在以
为极点,
轴的正半轴为极轴的极坐标系中,射线
与
的异于极点的交点为
,与
的异于极点的交点为
,求
.
![](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/68ad7a6ab7b8d8d094fd41ebcc57b551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608172a5a6acb7aec81dc3791c2f287e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf3c11311568b9d6363f458cbd02c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)在以
![](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/0bc1f08c7640e62e8717abf4d44a6c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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490次组卷
|
4卷引用:新疆维吾尔自治区乌鲁木齐市第三十一中学2023届高三下学期4月月考文科数学试题