1 . 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,已知直线l的极坐标方程为
.
(1)曲线C与坐标轴交于A,B两点,求直线AB的极坐标方程;
(2)若l与曲线C有公共点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc06314a5182d3b6813fb3e22c316dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494e37e7ee8c538d3d15ef373f2fa3b5.png)
(1)曲线C与坐标轴交于A,B两点,求直线AB的极坐标方程;
(2)若l与曲线C有公共点,求m的取值范围.
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2卷引用:2022-2023学年高三上学期一轮复习联考(五)理科数学试题(全国卷)
2 . 在直角坐标系
中,曲线
的参数方程为
(
为参数,
),
的参数方程为
(t为参数).
(1)求
的普通方程并指出它的轨迹;
(2)以O为极点,x轴的非负半轴为极轴建立极坐标系,射线
:
与曲线
的交点为O,P,与
的交点为Q,求线段
的长.
![](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/4151fab0ff51c32c8dd5cbe9f630b3de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3db37df1f42ba2f460dfef3f3ecb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3c5be2229c21687c88b39491bf6c36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)以O为极点,x轴的非负半轴为极轴建立极坐标系,射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905dd10639c9fef5ef8d66a124756140.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/7a5f1641947153c80b987320885a2b57.png)
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6卷引用:四川省绵阳中学2023届高三上学期综合质量检测数学试题
名校
3 . 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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2022-09-21更新
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4卷引用:甘肃省平凉市成纪中学2022-2023学年高三上学期第一次月考理科数学试题
名校
4 . 在直角坐标系xOy中,曲线C的参数方程为
(t为参数),曲线C与直线
相交于M,N两点.
(1)求
的面积;
(2)以坐标原点O为极点,x轴的非负半轴为极轴建立极坐标系,求
外接圆的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e7768245d0f394648acd494900b09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
(2)以坐标原点O为极点,x轴的非负半轴为极轴建立极坐标系,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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6卷引用:广西南宁市第二中学2022届高三5月诊断数学(理)试题
5 . 以直角坐标系的原点O为极点,x轴的非负半轴为极轴建立极坐标系.已知曲线C的参数方程为
(t为参数),直线
的极坐标方程为
.
(1)已知点
在曲线C上,求a的值;
(2)设点P为曲线C上一点,求点P到直线
距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2089421209780d77e4d8a8561f6b3b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77df63a7a5fd69b9a1f927df574a7b89.png)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d12a0002938a751af65f3059fd65492.png)
(2)设点P为曲线C上一点,求点P到直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2卷引用:贵州省贵阳市五校(贵州省实验中学、贵阳二中、贵阳八中、贵阳九中、贵阳民中)2022届高三年级联合考试(六)数学(文)试题
名校
6 . 已知直线
(
为参数).
(1)当
时,求直线
的斜率;
(2)若
是圆
内部一点,
与圆
交于
、
两点,且
、
、
成等比数列,求动点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773d0e2d321a097f6b7dc5f19aae4b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c95fa7f61564978c8e26616bc14449e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01268ac8e838d0f45ccb35bc1d479d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/d063ec7f9dbeba72fabf4437f9400e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f645d4b09fba53f971172cd2602c691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ce8eed2660a33465a7f764e76cdba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2卷引用:安徽省铜陵一中、安徽师大附中2021-2022学年高三上学期12月联考理科数学试题
名校
7 . 经过抛物线
的顶点O作两条互相垂直的直线交抛物线于A,B两点.以坐标原点O为极点,x轴正半轴为极轴建立极坐标系.
(1)设线段AB的中点为M,求点M的轨迹的普通方程;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
(1)设线段AB的中点为M,求点M的轨迹的普通方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff24c95fe581befd56c3bcc70e88b726.png)
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3卷引用:云南省昆明市第一中学2022届高三上学期第四期联考数学(文)试题
云南省昆明市第一中学2022届高三上学期第四期联考数学(文)试题云南省昆明市第一中学2022届高三上学期第四期联考数学(理)试题(已下线)专题十一 能力提升检测卷 (测) — 2022年高考数学一轮复习讲练测(课标全国版)
名校
8 . 设点
,
都在曲线
:
(
为参数)上,且点
对应的参数
与点
对应的参数
满足
,
为
的中点(当点
与点
重合时,点
也与点
,
重合).
(1)求点
的轨迹的参数方程;
(2)判断点
的轨迹是否过坐标原点
,证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c2c8eddc414ee32ebcc608c59be6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/818d38025f5949a470f980e456732af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)判断点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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2021-10-22更新
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2卷引用:四川省成都石室中学2021-2022学年高三上学期10月月考数学(理)试题
名校
解题方法
9 . 已知曲线
的参数方程为
(
为参数,
).点
在曲线
上,直线l过点P,且倾斜角为
.
(1)求点P在曲线
上对应的参数θ的值;
(2)求直线l被曲线
截得的线段的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cf7f29645cfe73e772bba625ad16bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eec3e684af41f9ed4db5b931b9ccfb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1fe15fd1946df7854af6ffc8082cbed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
(1)求点P在曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)求直线l被曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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2021-04-05更新
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4卷引用:陕西省西安市八校2020-2021学年高三上学期第一次联考文科数学试题
陕西省西安市八校2020-2021学年高三上学期第一次联考文科数学试题陕西省西安市八校2020-2021学年高三上学期第一次联考理科数学试题(已下线)精做07 坐标系与参数方程、不等式选讲-备战2021年高考数学(理)大题精做甘肃省兰州市五十九中2022-2023学年高三下学期高考模拟考试数学(理科)试题
解题方法
10 . 已知直线
(
为参数),圆
(
为参数).
(1)当
时,求
与
的交点坐标;
(2)过坐标原点
作
的垂线,垂足为
,
为
的中点,当
变化时,求
点轨迹的参数方程,并指出它是什么曲线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf4e53ffc8db16423bf9ab013a68eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1c9d5947476935d25ce479f890cc70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c95fa7f61564978c8e26616bc14449e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过坐标原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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