1 . 在平面直角坐标系
中,圆
的参数方程为
(
为参数),过点
且倾斜角为
的直线
与圆交于
两点
当
时,求
的取值范围
若
的中点为点
,求点
的轨迹的参数方程.
![](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/afb06061053b1d79e76431bfdbcb0d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f2583333c4b9aa85b4cdb64755f5179.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c97c76977d8b125a82a75c44fbf452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2 . 已知直线l经过点
,且倾斜角为
,圆C的参数方程为
是参数
,直线l与圆C交于
,
两点.
(1)写出直线l的参数方程,圆C的普通方程;
(2)求
,
两点的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6114ce586d4468f1b83c85bf029ba625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff0a9c80f432e45dc39965abed8ebfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
(1)写出直线l的参数方程,圆C的普通方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
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名校
3 . 在直角坐标系xOy中,曲线C的参数方程为
(α为参数),将C上每一点的横坐标保持不变,纵坐标变为原来的3倍,得曲线C1.以O为极点,x轴正半轴为极轴建立极坐标系.
(1)求C1的极坐标方程
(2)设M,N为C1上两点,若OM⊥ON,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de38b59793e449908f79ba231dee8d7.png)
(1)求C1的极坐标方程
(2)设M,N为C1上两点,若OM⊥ON,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cc80f34d54fb61fb4e9359fdcf0139.png)
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2020-01-01更新
|
891次组卷
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2卷引用:辽宁省沈阳市郊联体2018-2019学年高二上学期期末考试理数试题
4 . 在平面直角坐标系中,以原点为极点,
轴非负半轴为极轴极坐标,曲线
的方程:
(
为参数),曲线
的方程:
.
(1)求曲线
和曲线
的直角坐标系方程;
(2)从
上任意一点
作曲线
的切线,设切点为
,求切线长
的最小值及此时点
的极坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e4ebe960c5f93fa737dd698195b481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da60a9866c56bc9214a679edb63d6cee.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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5 . 已知曲线
:
(
为参数),
:
(
为参数).
(1)化
,
的方程为普通方程,并说明它们分别表示什么曲线?
(2)若
上的点
对应的参数为
,
为
上的动点,求
的中点
到直线
的距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/160fb72f11731a67d507f65b90f3ef23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9492215bb6eee3688fa0062332e8415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)化
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若
![](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/0fda9218185fa64e80558a77047b52ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55799a0a4b342f4dd4a397772b01b543.png)
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2019-12-13更新
|
370次组卷
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2卷引用:辽宁省沈阳市城郊市重点联合体2019-2020学年高二上学期期中考试数学(文)试题
名校
6 . 在直角坐标系
中,直线
的参数方程为
,(
为参数),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.
(1)求曲线
的极坐标方程;
(2)已知点
的极坐标为
,
与曲线
交于
两点,求
![](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/2bb54248463f3e3bba1bea4263294198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ca55231fb8e18cbb6dae6f9f9d31b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2af9b001daa5a66d0ab41538c619770.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/19f224f0d91a9c456106485cd6a36a22.png)
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2019-12-12更新
|
1391次组卷
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13卷引用:2020届辽宁省朝阳市高三上学期高中联合考试数学(理)试题
2020届辽宁省朝阳市高三上学期高中联合考试数学(理)试题河南省新乡市2019-2020学年高三上学期第一次模拟数学(理)试题2019年12月广东省高三调研考试数学(理)试题2019年12月广东省高三调研考试数学(文)试题(已下线)2020届高三12月第01期(考点14)(理科)-《新题速递·数学》2020届甘肃省白银市靖远县高三上学期期末联考数学(理)试题2020届甘肃省白银市靖远县高三上学期期末联考数学(文)试题(已下线)理科数学-2021年高考考前20天终极冲刺攻略(四)(课标全国卷)(6月4日)四川省绵阳第一中学2020-2021学年高三上学期10月月考数学(理)试题(已下线)二轮拔高卷03-【赢在高考·黄金20卷】备战2022年高考数学(理)模拟卷(全国卷专用)广西普通高中2023届高三摸底测试数学(理)试题广西普通高中2023届高三上学期摸底考试数学(文)试题广西南宁市第三十六中学2023届高三上学期数学(文)第三次检测试题
7 . 设
为关于
的方程
的虚根,
虚数单位.
(1)当
时,求
、
的值;
(2)若
,在复平面上,设复数
所对应的点为
,复数
所对应的点为
,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18c6df52ffa68d6b8baa8b74b35f31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05e6f18eb36027f635836ace91551d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a03522fb36c8f3351a8336b4c9a6c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa9bf65189dfb57a61644a1cb27f361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c079ecb92d9130677e108e70664b227c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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2019-12-11更新
|
774次组卷
|
4卷引用:辽宁省辽宁师范大学附属中学2019-2020学年高一下学期期末数学试题
辽宁省辽宁师范大学附属中学2019-2020学年高一下学期期末数学试题上海市闵行区2018-2019学年高二下学期期末数学试题(已下线)专题12 复数-【备战高考】2021年高三数学高考复习刷题宝典(解答题专练)(已下线)专题3.3 复数【易错题型专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)
8 . 在直角坐标系
中,直线l的参数方程为
(t为参数),曲线C的参数方程为
(
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的普通方程和曲线C的极坐标方程;
(2)若点P在直线l上,点Q在曲线C上,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f978cffb5cf4765513587430a7300747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049d5edd51cecf3f8343aa6615225535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24002c9994faa405d628dd6d445ad812.png)
(1)求直线l的普通方程和曲线C的极坐标方程;
(2)若点P在直线l上,点Q在曲线C上,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
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2019-12-05更新
|
466次组卷
|
2卷引用:辽宁省大连市普兰店区海湾高级中学2019-2020学年高三上学期期中数学(理)试题
14-15高二上·黑龙江牡丹江·期中
名校
解题方法
9 . 已知曲线C的极坐标方程是
.以极点为平面直角坐标系的原点,极轴为x轴的正半轴,建立平面直角坐标系,直线l的参数方程是:
(t是参数).
(1)将曲线C的极坐标方程和直线l参数方程转化为普通方程;
(2)若直线l与曲线C相交于A、B两点,且
,试求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac15af415885ee515facd45a462bbdc.png)
(1)将曲线C的极坐标方程和直线l参数方程转化为普通方程;
(2)若直线l与曲线C相交于A、B两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61afa67b00a0251de102a2e5f7b2311.png)
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2020-07-21更新
|
103次组卷
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8卷引用:2020届辽宁省大连市高三上学期第二次模拟考试数学(理)试卷
2020届辽宁省大连市高三上学期第二次模拟考试数学(理)试卷(已下线)2014-2015学年黑龙江省牡丹江一中高二上学期期中考试文科数学试卷2017届宁夏石嘴山市第三中学高三4月适应性(第二次模拟)考试数学(理)试卷2017届宁夏石嘴山市第三中学高三4月适应性(第二次模拟)考试数学(文)试卷云南省玉溪市2016-2017学年高二上学期期末考试数学(文)试题(已下线)2020届高三12月第03期(考点14)(理科)-《新题速递·数学》宁夏银川市宁大附中2019-2020学年高二第二次月考数学(文)试题新疆维吾尔自治区喀什第二中学2022届高三10月月考数学(文)试题
10 . 在平面直角坐标系
中,直线
的普通方程是
,曲线
的参数方程是
(
为参数).在以
为极点,
轴的正半轴为极轴建立的极坐标系中,曲线
的极坐标方程是
.
(1)写出
及
的极坐标方程;
(2)已知
,
,
与
交于
两点,
与
交于
两点,求
的最大值.
![](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/0ca8526916097cfcca035399c342d990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6a67a9cba0a4acffb9c56a124615b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.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/da49da6ef15f2b17022862a56bf8d44e.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef19f98e86ae7504671413780b3b1a9.png)
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2019-11-30更新
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2卷引用:辽宁省六校协作体2019-2020学年高三上学期期中数学(理)试题