名校
1 . 椭圆
的参数方程为
(
为参数),以直角坐标系的原点为极点,
轴正半轴为极轴的极坐标中,直线
的方程为
.
(1)求出直角坐标系中
的方程和椭圆
的普通方程;
(2)椭圆
上有一个动点
,求
到
的最小距离及此时
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e6ba81555ada83e95970935a8776f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.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/67f960508ad1829e2327f5138202ced9.png)
(1)求出直角坐标系中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)椭圆
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2018-02-09更新
|
946次组卷
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5卷引用:湖北省荆州中学、宜昌一中等“荆、荆、襄、宜四地七校考试联盟”2018届高三2月联考数学(文)试题1
2 . 在直角坐标系中,已知圆
的圆心坐标为
,半径为
,以坐标原点为极点,
轴正半轴为极轴,建立极坐标系,直线
的参数方程为:
(
为参数)
(1)求圆
和直线
的极坐标方程;
(2)点
的极坐标为
,直线
与圆
相交于
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7881094ce2f907c3aaf664318ecd3e2d.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/ca6fcb14ef17d7b28756648a2e470dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c7cb488a12b37aaa18c857e84dd35f.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/3979f27823cdcba516dfa885d8afe19d.png)
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2018-02-09更新
|
608次组卷
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3卷引用:福建省闽侯第六中学2018届高三上学期期末考试数学(理)试题
名校
3 . 在平面直角坐标系中,以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系.已知直线
的参数方程为
(
为参数),曲线
的极坐标方程为
;
(1)求直线
的直角坐标方程和曲线
的直角坐标方程;
(2)若直线
与曲线
交点分别为
,
,点
,求
的值.
![](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/f0d6fc3aef79cd5f585233820bbbc60a.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/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063f4f4ce1d9822e9d5144ca0fc83979.png)
您最近一年使用:0次
2018-02-07更新
|
1239次组卷
|
9卷引用:安徽省皖西高中教学联盟2018届三上学期期末质量检测数学(理)试题
安徽省皖西高中教学联盟2018届三上学期期末质量检测数学(理)试题安徽省皖西高中教学联盟2018届三上学期期末质量检测数学文试题(已下线)北京市第四中学2018届高三第一次模拟考试(一模)仿真卷(A卷)文科数学试题河北省武邑中学2018届高三下学期第一次质量检测数学(文)试题【市级联考】陕西省渭南市2019届高三二模数学(理科)试题【全国百强校】青海省西宁市第四高级中学、第五中学、第十四中学三校2019届高三4月联考数学(理)试题2019届陕西省渭南市高三第二次教学质量检测数学(理)试题2019届陕西省渭南市高三第二次教学质量检测数学(文)试题四川省攀枝花市第七高级中学校2021-2022学年高三上学期入学考试理科数学试题
4 . 已知直线
(
为参数),曲线
(
为参数).
(1)线
与曲线
的普通方程;
(2)已知点
,
,若直线
与曲线
相交于
,
两点(点
在点
的上方),求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167ab2292f898a5865334487e7c5a31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b136f930b11e85ebec272aea699b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9d55173f26afdf0e37462b556a605.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/fd98427f3ff7e5179c16fec0bcd822df.png)
您最近一年使用:0次
2018-02-06更新
|
612次组卷
|
5卷引用:赣州市2017-2018年第一学期高三期末考试 数学(文)试题
名校
5 . 已知曲线
的参数方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32baf1b0cab329853943bdf3a9cace7.png)
,曲线
的极坐标方程为
.
(1)将曲线
的参数方程化为普通方程;
(2)曲线
与曲线
有无公共点?试说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32baf1b0cab329853943bdf3a9cace7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4365c26dfbd40be75f5b5928956e5412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a134abac8d678ede60d72bda9c226f14.png)
(1)将曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2018-02-06更新
|
421次组卷
|
8卷引用:宁夏育才中学2018届高三上学期月考5(期末)数学(理)试题
6 . 在平面直角坐标系
中,以坐标原点为极点,
轴正半轴为极轴建立极坐标系.曲线
的极坐标方程为
,
为曲线
上异于极点的动点,点
在射线
上,且
,
,
成等比数列.
(1)求点
的轨迹
的直角坐标方程;
(2)已知
,
是曲线
上的一点且横坐标为
,直线
与
交于
,
两点,试求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](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/69cf89e94eb51129f144d9809ec290f7.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/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/849dc7a8283d7f28c87174ecb87fa00d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5db1b48f98ccbad5a9603cf9b61c29d.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc878a5fd7b508cf817cbb65d3940547.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/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db9b9be3ee9bda3c593bf703e3713ca.png)
您最近一年使用:0次
2018-01-29更新
|
623次组卷
|
6卷引用:福建省宁德市2018届高三第一次质量检查数学理试题
7 . 在直角坐标系
中,点
在倾斜角为
的直线
上,以坐标原点
为极点,以
轴正半轴为极轴,建立极坐标系,曲线
的方程为
.
(1)写出
的参数方程及
的直角坐标方程;
(2)设
与
相交于
两点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbcf0320d94734aedd3d4e2e31b9827.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/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/95777c97cd8a69c05fb01595918f4c1c.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/063f4f4ce1d9822e9d5144ca0fc83979.png)
您最近一年使用:0次
2018-01-20更新
|
1180次组卷
|
8卷引用:辽宁省丹东市2018届高三上学期期末教学质量监测数学理试题
名校
8 . 在极坐标系中,方程
表示的曲线是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a2a62167b4a74507f89c2c9cc4d668.png)
A.直线 | B.圆 | C.椭圆 | D.双曲线 |
您最近一年使用:0次
2018-01-18更新
|
1625次组卷
|
7卷引用:北京市丰台区2018届高三上学期期末考试数学理试题
北京市丰台区2018届高三上学期期末考试数学理试题河北省深州市中学2017-2018学年高二下学期期中考试数学(文)试题【全国百强校】宁夏银川一中2017-2018学年高二下学期期末考试数学(理)试题陕西省西安市蓝田县2017-2018学年高二下学期期末数学(文)试题(已下线)2019年6月25日 《每日一题》选修2-2+选修2-3+选修4-4+选修4-5(理数)(下学期期末复习)——极坐标方程和直角坐标方程的互化陕西省商洛市商丹高新学校2019-2020学年高二下学期期中数学(文)试题新疆乌苏市第一中学2020-2021学年高二3月月考数学试题
解题方法
9 . 已知
为曲线
(
为参数)上的动点,设
为原点,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d36ad48f83bf8be1a3c2a47762b304.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/d0c19fa4cd646f4d877c3e58cc346651.png)
A.1 | B.2 |
C.3 | D.4 |
您最近一年使用:0次
2018-01-18更新
|
1099次组卷
|
5卷引用:北京市西城区2018届高三期末考试理科数学试题
北京市西城区2018届高三期末考试理科数学试题北京市西城区2018届高三上学期期末考试数学理试题北京市2019届高三数学理一轮复习典型题专项训练:直线与圆、极坐标参数方程赣州市红旗实验中学2017-2018学年高二下学期期中考试卷文科数学试题(已下线)2019年6月30日《每日一题》选修2-2+选修2-3+选修4-4+选修4-5(理数)(下学期期末复习)—— 每周一测
名校
10 . 在直角坐标系
中,以坐标原点
为极点,
轴的正半轴为极轴,建立极坐标系,已知直线
的参数方程为
(
为参数),曲线
的极坐标方程是
.
(1)写出直线
的普通方程和曲线
的直角坐标方程;
(2)设直线
与曲线
相交于
两点,点
为
的中点,点
的极坐标为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fd2384710de82227484493cbfc1c78.png)
(1)写出直线
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/a2d39dd5b2097f9952aec7110371cd81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
您最近一年使用:0次
2018-01-08更新
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849次组卷
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3卷引用:山东省济宁市2018届高三上学期期末考试 数学(文)试题