名校
1 . 已知点
,则它的极坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10735500d5bc4b13a0db06b722e47a97.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-05-07更新
|
671次组卷
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3卷引用:【全国百强校】河北省阜城中学2017-2018学年高二升级考试数学(理)试题
名校
2 . 在平面直角坐标系xOy中,已知曲线C1的参数方程为
(t为参数),曲线C2的直角坐标方程为
.以平面直角坐标系的原点O为极点,x轴的正半轴为极轴建立极坐标系,射线l的极坐标方程为
,
.
(1)求曲线C1,C2的极坐标方程;
(2)设A,B分别为射线l与曲线C1,C2除原点之外的交点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d628563b0c7a99696bcc8c6b97e7f69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0f3e15d7b753a178d7b546cbfdf4b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f5d2e8186f0173d7862b1d39fb3dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a135466eb8ca64d002d0fad36176d1c1.png)
(1)求曲线C1,C2的极坐标方程;
(2)设A,B分别为射线l与曲线C1,C2除原点之外的交点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
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2020-01-22更新
|
206次组卷
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8卷引用:河北省武邑中学2019届高三上学期期末考试数学(理)试题
名校
3 . 在平面直角坐标系xOy中,曲线C1的参数方程为
(α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,曲线C2的极坐标方程为ρcosθ=1.
(1)求C1的极坐标方程,并求C1与C2交点的极坐标
;
(2)若曲线C3:θ=β(ρ>0)与C1,C2的交点分别为M,N,求|OM|•|ON|的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d65ed055f2a90d404ddd0e41a338306.png)
(1)求C1的极坐标方程,并求C1与C2交点的极坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349665fd427bbefc154533b6cb7d0e53.png)
(2)若曲线C3:θ=β(ρ>0)与C1,C2的交点分别为M,N,求|OM|•|ON|的值.
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2020-06-05更新
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2卷引用:河北省邯郸市2020届高三第二次模拟数学(文)试题
名校
4 . 在直角坐标系中,以原点为极点,
轴的正半轴为极轴建立极坐标系,已知曲线
,过点
的直线
(
为参数)与曲线
相交于点
,
两点.
(1)求曲线
的平面直角坐标系方程和直线
的普通方程;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0580df1413d0b3a72fe96b740f54e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637cd4dcc0b7f5323eafb60badcbce1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/486a055e194de8712757534893fe4f6f.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f4d64cb239c5d3e42bbb6fd0c7f469.png)
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2017-03-08更新
|
1517次组卷
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2卷引用:河北省武邑中学2018-2019学年高二下学期第二次月考(6月)数学(文)试题
5 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数),将圆
上每一个点的横坐标不变,纵坐标伸长到原来的2倍,得到曲线
.
(1)求直线
的普通方程及曲线
的参数方程;
(2)设点
在直线
上,点
在曲线
上,求
的最小值及此时点
的直角坐标.
![](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/d1c1ad313edf52ef5b15053709f99bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2018-08-03更新
|
384次组卷
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2卷引用:【全国市级联考】河北省张家口市2017-2018学年高二下学期期末考试数学(理)试题
名校
6 . 以坐标原点为极点,
轴的非负半轴为极轴建立极坐标系,已知曲线
:
,点
的极坐标为
,直线
的极坐标方程为
,且点
在直线
上.
(1)求曲线
的极坐标方程和直线
的直角坐标方程;
(2)设
向左平移
个单位长度后得到
,
到
的交点为
,
,求
的长.
![](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/8bac4d3d2be66e9f25b59e3a94f235e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dd952a1cd7bc9318de505a93321fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a99f6fd7b2041a608aed4d9c2be4f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/ac35b1e8a952aac4f4cdaaf02d868d04.png)
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2017-12-10更新
|
629次组卷
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2卷引用:河北省衡水中学2016-2017学年高二下学期期末考试数学(理)试题
7 . 选修4-4:坐标系与参数方程
已知点
在椭圆
上,将射线
绕原点
逆时针旋转
,所得射线
交直线
于点
.以
为极点,
轴正半轴为极轴建立极坐标系.
(1)求椭圆
和直线
的极坐标方程;
(2)证明::
中,斜边
上的高
为定值,并求该定值.
已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689e1011525feb927bef1c8c81961c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314bf8f0ce875b4dd66ba692fd6a75c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)证明::
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0aa7c6e78055e4bdde1ee852c436bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
您最近一年使用:0次
名校
8 . 已知直线
:
,曲线
:
(
为参数),以坐标原点
为极点,
轴的非负半轴为极轴建立极坐标系.
(1)分别求直线
和曲线
的极坐标方程;
(2)若射线
:
分别交直线
和曲线
于
,
两点(
点不同于坐标原点
),求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1cb41222d27da278a922db1cd5cb34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea88219ddeb1be13b34347410288000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)分别求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdd41e02ae39d48569e28dfd3ee38546.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8eb257538d539bdf99a2ff3aae84a87.png)
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2018-04-05更新
|
580次组卷
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3卷引用:河北省衡水市衡水中学2019届高三下学期六调考试(文)数学试题
河北省衡水市衡水中学2019届高三下学期六调考试(文)数学试题(已下线)【全国百强校】河北省衡水中学2019届高三下学期六调考试数学(文)试题江西省分宜中学、玉山一中、临川一中等九校2018届高三联考文科数学试题
9 . 在平面直角坐标系
中,曲线
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,
轴正半轴为极轴建立极坐标系,直线
的极坐标方程为
,直线
与曲线
交于
两点,直线
与曲线
交于
两点.
(1)当
时,求
两点的极坐标;
(2)设
,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/e4f3e4eb5d15dfac3d7744fbc1130138.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/4c878f22864c8bacafe3b802b243bb2f.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183f6ed8a1b360dd56d66186f077912b.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417a7baca0753ba9ad45fe148d5d291c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879080beb1e55cae2639645cd64c4710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e63463c6ec3a660ead35424c6879f0af.png)
您最近一年使用:0次
2018-08-03更新
|
285次组卷
|
2卷引用:【全国市级联考】河北省张家口市2017-2018学年高二下学期期末考试数学(理)试题
名校
10 . 在极坐标系下,已知直线
(
)和圆
.圆
与直线
的交点为
.
(1)求圆
的直角坐标方程,并写出圆
的圆心与半径.
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939db250eaf266d2e6604a3bc41583af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2e40c1f1ff5e667d044767de627fff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7f67d2ddfdbebe13aff590c1073367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8304947c8544f7aaca09fcdceec696.png)
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2017-08-19更新
|
615次组卷
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2卷引用:河北省故城县高级中学2016-2017学年高二下学期升级考试(期末)数学(理)试题