1 . 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l的极坐标方程为
.
(1)求曲线
的极坐标方程;
(2)若直线
与曲线
交于
两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34aa25192235cff605c824ab75e5bed7.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/f6ee98ee1a893dbbd2bf716c344bb0ee.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2caac14fd6f2f4d683f734d6a1b4a155.png)
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2023-05-29更新
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2 .
为参数,圆
的圆心的轨迹方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b475e1a8f1e3873fcfb34be3760c6b.png)
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3 . 平面直角坐标系xOy中,曲线
的参数方程为
(
为参数).以坐标原点O为极点,以x轴正半轴为极轴,建立极坐标系,曲线
的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a334995ddfd7bda477e2bde42ac58c.png)
(1)写出曲线
的普通方程和曲线
的直角坐标方程;
(2)曲线
与
交于M,N两点,求与直线MN平行且过原点的直线l的极坐标方程及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f0b3463a7e4c78dc8c16e06bbb9bf8.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/67a334995ddfd7bda477e2bde42ac58c.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)曲线
![](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/084cf5ffced059f5653ee2a1023518b7.png)
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2022-11-16更新
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4 . 在平面直角坐标系
中,曲线C的参数方程为
(
为参数),以坐标原点O为极点,x轴的正半轴为极轴,取相同长度单位建立极坐标系,直线l的极坐标方程为
.
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)设直线l与y轴的交点为P,经过点P的动直线m与曲线C交于A,B两点,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87de3ccbef1e3cb0ea5c0e84098f0a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736fc9f625ee6fda2b1b501367427b73.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)设直线l与y轴的交点为P,经过点P的动直线m与曲线C交于A,B两点,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
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2022-07-15更新
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4卷引用:四川省广安市2021-2022学年高二下学期“零诊”考试数学(理)试题
四川省广安市2021-2022学年高二下学期“零诊”考试数学(理)试题四川省广安市2023届高三零诊文科数学试题四川省绵阳南山中学2024届高三下学期高考仿真演练(一)文科数学试题(已下线)专题12-1 参数方程与极坐标归类-1
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
的极坐标方程为
,倾斜角为
的直线l 过点
,点
的极坐标为
.
(1)求曲线
的普通方程和直线l 的参数方程.
(2)若l与
交于A,B两点,且点B为
的中点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb44db1dc864ff4901be1e10da79747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb44db1dc864ff4901be1e10da79747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933c108994b308bef3b43b4173762c97.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若l与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582bbf355c2f13dde1d69848918603f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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3卷引用:江西省上高二中2022届高三5月全真模拟考试数学(理)试题
6 . 在直角坐标系
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,曲线
的极坐标方程为
.
(1)求曲线
的极坐标方程,曲线
的直角坐标方程;
(2)设点
的极坐标为
,射线
与
的异于极点的交点为
,与
的异于极点的交点为
,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/38584a29660f439c5a84d7a500ea0985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ed24bfcc37b79fe9ca61ed8fdf26ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155de6d5889b375c34e3dc9b89ecb04a.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/05324512bf3df5a357e9f816bc94a532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
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2卷引用:河南省顶尖名校2020-2021学年高二下学期5月联考理科数学试卷
7 . 在平面直角坐标系中,
为曲线
(
为参数)上的动点,将
点纵坐标不变,横坐标变为原来的一半得
点,记
点轨迹为
,以坐标原点
为极点,
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)
是曲线
上异于极点的两点,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d879721185f6ebbcb31c68a522b151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9faea4deadc69fec42afab055f464340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e651a7faef2db0444fe157613b5779.png)
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2021-05-04更新
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3卷引用:江西省上高二中2021届高三年级考前热身数学(理)试题
名校
8 . 在直角坐标系xOy中,以原点O为极点,x轴的正半轴为极轴建立极坐标系,已知圆的参数方程为
(
为参数),直线L:
(t为参数),定点
.
(1)求圆的极坐标方程;
(2)已知直线L与圆相交于A,B两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1563bc37cf2d7e1cb141c809d109109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c563366cf63b17f25eec205cef5832d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
(1)求圆的极坐标方程;
(2)已知直线L与圆相交于A,B两点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7df089e093c2ed3cc61641910c7809.png)
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2021-02-09更新
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3卷引用:江西省宜春中学、高安二中、上高二中、樟树中学、丰城中学2020-2021学年高三上学期五校联考数学(文)试题
江西省宜春中学、高安二中、上高二中、樟树中学、丰城中学2020-2021学年高三上学期五校联考数学(文)试题江西省都昌县第二中学2020-2021学年高二下学期期中考试数学(文)试题(已下线)2021年全国高考甲卷数学(文)试题变式题21-23题
名校
9 . 在平面直角坐标系
中,直线
过定点
,倾斜角为
,曲线
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.
(1)求曲线
的极坐标方程;
(2)已知直线
交曲线
于
,
两点,且
,求
的参数方程.
![](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/521d2cbdff8483ebba708857163ef1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5f031fbe09d8ed7d451279f31eb595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a590e9035ff4ba3f2ccf9214973c8b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7636ff122494af9a0f735eccd117780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2021-01-21更新
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15卷引用:江西省上高二中2021届高三年级全真模拟考试数学(文)试题
江西省上高二中2021届高三年级全真模拟考试数学(文)试题江西省吉安市2021届高三大联考数学(文)(3-2)试题江西省吉安市2021届高三大联考数学(理)(3-2)试题河南省焦作市2021届高三第三次大联考理科数学试题河南省焦作市2021届高三第三次大联考文科数学试题宁夏银川一中2021届高三下学期二模数学(文)试题宁夏海原县第一中学2021届高三四模数学(文)试题宁夏银川一中2021届高三下学期二模数学(理)试题宁夏海原县第一中学2021届高三四模数学(理)试题四川省成都市第七中学2024届高三上学期理科数学综合测试题四川省成都市石室天府中学2024届高三一诊模拟考试二数学(理)试题(已下线)专题29 坐标系与参数方程(解答题)-2021年高考数学(理)二轮复习热点题型精选精练(已下线)专题27 坐标系与参数方程(解答题)-2021年高考数学(文)二轮复习热点题型精选精练百强名校2021届高三5月模拟联考(A卷)理科数学试题百强名校2021届高三5月模拟联考文科数学试题(A卷)
10 . 在直角坐标系
中,曲线
的参数方程
(
为参数),直线
的参数方程
(
为参数).
(1)求曲线
在直角坐标系中的普通方程;
(2)以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,当曲线
截直线
所得线段的中点极坐标为
时,求直线
的倾斜角.
![](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/1ed8f2ee228cdd6964a9b2511512f439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb56cf50583e1326ab74ddf5334377f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd29d120bcd86c016c6171490ddff9d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2021-01-13更新
|
165次组卷
|
2卷引用:江西省新余一中、宜春一中2020-2021学年高二上学期联考数学文科试题