1 . 在平面直角坐标系
中,点
是以原点
为圆心,半径为
的圆上的一个动点.以原点
为圆心,半径为
的圆与线段
交于点
,作
轴于点
,作
于点
.
(1)令
,若
,
,
,求点
的坐标;
(2)若点
的轨迹为曲线
,求曲线
的方程;
(3)设(2)中的曲线
与
轴的正半轴交于点
,与
轴的正负半轴分别交于点
,
,若点
、
分别满足
,
,证明直线
和
的交点
在曲线
上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af9f9d55eddabbcbd131f0002b0e5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8f1243f51b36c405e461705dd1d555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08515e05078229582b0149b9834f647a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2495b30d1219938dd71b557b72c269f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e2c8d466ab8eb5ecd38060b53bbe8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)若点
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
(3)设(2)中的曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946fd2a861961db02259a9fef0b7c4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18060b0ee53e572b377bb2e90b768bed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1158eaa2e338f564eb18de5bef1d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03276bed5835b77a810cb98dedad3c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
解题方法
2 . 在新中国成立70周年国庆阅兵庆典中,众多群众在脸上贴着一颗红心,以此表达对祖国的热爱之情.在数学中,有多种方程都可以表示心型曲线,其中有著名的笛卡尔心型曲线.如图,在直角坐标系中,以原点O为极点,x轴正半轴为极轴建立极坐标系.图中的曲线就是笛卡尔心型曲线,其极坐标方程为
,M为该曲线上的任意一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/a032092a-3f11-4bbc-a62d-87bf35df53f7.png?resizew=157)
(1)当
时,求M点的极坐标:当M的极角为
时,求它的极径;
(2)若过极点的直线
与该曲线相交于两点A,B,求证:弦长
为定值,并求出这个定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad655f4f1fe74ae7f018fd0ef2711a36.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/a032092a-3f11-4bbc-a62d-87bf35df53f7.png?resizew=157)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a07205bc511042fdda781b84436fb157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f99376e6b053ffd21b179108c18c3d3.png)
(2)若过极点的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2021-07-24更新
|
840次组卷
|
4卷引用:专题22 坐标系与参数方程-备战2022年高考数学(理)母题题源解密(全国甲卷)
(已下线)专题22 坐标系与参数方程-备战2022年高考数学(理)母题题源解密(全国甲卷)(已下线)专题22 坐标系与参数方程-备战2022年高考数学(文)母题题源解密(全国甲卷)贵州省贵阳市第一中学2021届高三下学期高考适应性月考卷(五)数学(理)试题贵州省贵阳市第一中学2021届高三下学期高考适应性月考卷(五)数学(文)试题
名校
3 . 已知在直角坐标系
中,曲线
的参数方程为
(
为参数),曲线
经过伸缩变换
:
,得到曲线
,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)若
,
为曲线
上的两点,且满足
,证明:
为定值,并求出此定值.
![](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/a0f0b3463a7e4c78dc8c16e06bbb9bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0048a15fc809cbdc75c85ea2f90f61a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若
![](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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcb4841ae7bb1d5f91837094cdfcf2c.png)
您最近一年使用:0次
2021-07-27更新
|
929次组卷
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4卷引用:专题22 坐标系与参数方程-备战2022年高考数学(理)母题题源解密(全国甲卷)
(已下线)专题22 坐标系与参数方程-备战2022年高考数学(理)母题题源解密(全国甲卷)(已下线)专题22 坐标系与参数方程-备战2022年高考数学(文)母题题源解密(全国甲卷)贵州省贵阳市第一中学2021届高三下学期高考适应性月考卷(六)数学(理)试题贵州省贵阳市第一中学2021届高三下学期高考适应性月考卷(六)数学(文)试题
名校
4 . 在直角坐标系
中,曲线
的方程为
,以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系.
(1)点
为
上任意一点,若
的中点
的轨迹为曲线
,求
的极坐标方程;
(2)若点
,
分别是曲线
和
上的点,且
,证明:
为定值.
![](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/93f143ca890a2e92f28a942cbad62781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)点
![](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/abd13974aebe38eb2a1d744a01ea5aa5.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若点
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0b06dc01c30d13f64be2ac6a1d811e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ba4cf66ad78c53705e97578eec1645.png)
您最近一年使用:0次
5 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数);以原点
为极点,
轴的非负半轴为极轴且取相同的长度单位建立极坐标系,直线
的极坐标方程为
.
(1)求直线
和曲线
的直角坐标方程;
(2)设直线
和曲线
交于
,
两点,直线
,
,
的斜率分别为
,
,
,求证:
.
![](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/905d8b35fa4960d5026e9c01fd7d719e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad481cbfb67ac9cdbc0537f3de23b022.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/b07ad0d9273dbe1068331cc94170b619.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/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a924c52054d300a7d9064e23530bd6f6.png)
您最近一年使用:0次
2020-10-09更新
|
362次组卷
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5卷引用:专题11-1 参数方程与极坐标大题15种归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)
(已下线)专题11-1 参数方程与极坐标大题15种归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)河南省名校联盟2020-2021学年高三9月质量检测数学(理)试题河南省名校联盟2020-2021学年高三9月质量检测数学文科试题吉林省通榆县第一中学2020-2021学年高三上学期第四次质量检测数学(文)试题吉林省通榆县第一中学2020-2021学年高三上学期第四次质量检测数学(理)试题
6 . 在平面直角坐标系中,曲线
的参数方程为
(
为参数).以原点
为极点,
轴的非负半轴为极轴建立极坐标系,直线
的极坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7cab5a7fcb6721b34b7a2aa6df13de2.png)
(1)求曲线
的普通方程与直线
的直角坐标方程;
(2)设直线
与曲线
交于
两点,点
的坐标为
,证明:直线
关于
轴对称.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd494adc8e1ca5cc8613069218f97c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152236216f8d1cb39b261108e8fc8b9e.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/c7cab5a7fcb6721b34b7a2aa6df13de2.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/8ce066003c0a1f0879cbca2f32802e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2021-01-14更新
|
460次组卷
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9卷引用: 四川省仁寿县文宫中学2021-2022学年高二下学期期中考试数学(文科)试卷
四川省仁寿县文宫中学2021-2022学年高二下学期期中考试数学(文科)试卷四川省眉山市2020-2021学年高三上学期第一次诊断性考试文科数学试题四川省资阳市2020-2021学年高三上学期第二次诊断性考试 数学(理)试题四川省广元市2020-2021学年高三上学期一诊数学理科试题四川省眉山市2020-2021学年高三上学期第一次诊断性考试理科数学试题四川省资阳市2020-2021学年高三上学期第二次诊断性考试 数学(文)试题四川省遂宁市2020-2021学年高三上学期第一次诊断性数学理科试题四川省双流棠湖中学2023-2024学年高三上学期10月月考理数试题四川省双流棠湖中学2023-2024学年高三上学期10月月考数学(文)试题
名校
解题方法
7 . 在平面直角坐标系
中,直线
的参数方程为
(其中
为参数,且
,在以
为极点、
轴的非负半轴为极轴的极坐标系(两种坐标系取相同的单位长度)中,曲线
的极坐标方程为
,设直线
经过定点
,且与曲线
交于
、
两点.
(Ⅰ)求点
的直角坐标及曲线
的直角坐标方程;
(Ⅱ)求证:不论
为何值时,
为定值.
![](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/80ec4ec4b327af5ca3338b5045a707aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25aeca59a10a979ffc8e2cd2df970c64.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/d3c5188e2e80c68588abe3ba2d42a2c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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)
(Ⅰ)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)求证:不论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0dd672a03d24aa460b60a29bc685641.png)
您最近一年使用:0次
2020-03-16更新
|
495次组卷
|
3卷引用:第56讲 参数方程(练) — 2022年高考数学一轮复习讲练测(课标全国版)
(已下线)第56讲 参数方程(练) — 2022年高考数学一轮复习讲练测(课标全国版)2019届四川省成都市第七中学高三上学期入学考试数学(理)试题2020届广东省深圳市福田中学高三质量监测数学(理)试题
名校
8 . 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,取相同长度单位建立极坐标系,直线
的极坐标方程为
.
(Ⅰ)求曲线
和直线
的直角坐标方程;
(Ⅱ)直线
与
轴交点为
,经过点
的直线与曲线
交于
,
两点,证明:
为定值.
![](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/6ab29a77dc3d60df0ced82c133d89dd9.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/e4ef8f1ab8f03bbe5005efc2cb0f214a.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅱ)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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)
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2019-06-18更新
|
2932次组卷
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12卷引用:沪教版(2020) 选修第一册 单元训练 第2章 曲线与方程(A卷)
沪教版(2020) 选修第一册 单元训练 第2章 曲线与方程(A卷)【市级联考】河南省八市重点高中联盟“领军考试”2019届高三压轴数学(文)试题【校级联考】河南省八市重点高中联盟“领军考试”2019届高三压轴数学(理科)试题2019年10月广东省广州市天河区高考数学一模(文)试题2019年10月广东省广州市天河区高考数学一模(理)试题2020届福建省仙游第一中学高三上学期月考数学(理)试题2020届辽宁省沈阳市东北育才学校高中部高三第六次模拟数学(文)试题(已下线)专题42 坐标系与参数方程-冲刺2020高考跳出题海之高三数学模拟试题精中选萃福建省泰宁第一中学2020届高三上学期第一阶段考试数学(理)试题甘肃省天水市第一中学2021届高三十模数学(理)试题甘肃省天水市第一中学2021届高三十模数学(文)试题黑龙江省牡丹江市第三高级中学2021-2022学年高三上学期第四次月考数学(文)试题
名校
9 . 极坐标系与直角坐标系
有相同的长度单位,以原点
为极点,以x轴正半轴为极轴,已知曲线
的极坐标方程为
,曲线
的参数方程为
(
为参数,
),射线
与曲线
分别交于(不包括极点
)点
.
(1)求证:
;
(2)当
,B,C两点在曲线
上,求
与
的值.
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ccfa7ce00d752f762f3692cc067e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005c2f9ee561cf030fb696ff80884739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3afb8f7e58956c81d15f2f86d1f57b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703bf986844333a1524b971ad1696b77.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cddce60584c6209740248d3e2005fd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2016-12-03更新
|
1210次组卷
|
13卷引用:专题11-1 参数方程与极坐标大题15种归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)
(已下线)专题11-1 参数方程与极坐标大题15种归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)2016届宁夏银川一中高三上学期第一次月考理科数学试卷2016届宁夏银川一中高三上学期第一次月考文科数学试卷2016届湖南师范大学附中高三上学期月考三文科数学试卷2016届陕西师大附中高三下第十次模拟文科数学试卷2017届河北省衡水中学高三上学期六调数学(理)试卷江西省重点中学盟校2017届高三第二次联考数学(理)试题【全国校级联考】河北省卓越联盟2017-2018学年高二下学期第三次月考数学(文)试题【全国百强校】江西省临川第一中学2019届高三10月月考数学(理)试题【市级联考】湖北省黄冈市八模2019届高三理科数学模拟测试题【市级联考】湖北省黄冈市2019届高三八模模拟测试卷(二)文科数学试题人教A版 全能练习 选修4-4 综合测评 模块结业测评(三)2020届四川省绵阳南山中学高三3月网络考试数学(理)试题