1 . 在直角坐标系xOy中,曲线
的参数方程为
(
为参数).已知M是曲线
上的动点,将OM绕点O逆时针旋转90°得到ON.设点N的轨迹为曲线
.以坐标原点为极点,x轴正半轴为极轴建立极坐标系.
(1)求曲线
,
的极坐标方程;
(2)设点
,若射线
:
与曲线
,
分别相交于异于极点O的A,B两点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35392514850ce9e9979745b84cf321a3.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/23f3ffe7abc59e2f65d827c8eab8d36a.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/20242f058154f335ba691de98df4bd98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8522e2d17f61ebb76553324d7acbd8d5.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/8b17f20c25bb16153b5f2d25062ed7a7.png)
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2022-07-10更新
|
469次组卷
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3卷引用:四川省自贡市2021-2022学年高二下学期期末考试数学(理)试题
名校
2 . 已知曲线
的参数方程为
(
为参数).以原点
为极点,以
轴正半轴为极轴建立极坐标系,射线
的极坐标方程为
.
(1)求曲线
的极坐标方程;
(2)射线
与曲线
相交于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25a8fa7efcae2cd58f7f81574c9ec32a.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/905dd10639c9fef5ef8d66a124756140.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)射线
![](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/3f4dfec890cdfdda355e19463f3be813.png)
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2022-07-03更新
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335次组卷
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5卷引用:四川省达州市2021-2022学年高二下学期期末数学(文)试题
3 . 已知直线
,曲线
,以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为
,若曲线
分别交直线l和曲线
于点A,B,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e59480219e0af960aa6f68491813c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a45f744ee7f9bc2a3f36e9b042aa2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1656178bb8d085a5cbeda8e90cf4e86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac1708ccb41bac7e8555db896ce4bed.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
名校
4 . 在直角坐标系xOy中,以x轴非负半轴为极轴,以坐标原点为极点建立极坐标系,曲线C的极坐标方程为
,
为曲线C上的点.
(1)求a的值,并求曲线C的直角坐标方程;
(2)若A,B是曲线C上的两个动点,且
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b347bb644a45e137a265d3405be7c6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f52ca1df3ff78c00f7fb62446561414.png)
(1)求a的值,并求曲线C的直角坐标方程;
(2)若A,B是曲线C上的两个动点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d162c29b1e484cfc87350dd68f00b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2022-06-13更新
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5卷引用:河南省许平汝漯2021-2022学年高二下学期6月大联考数学(理科)试题
名校
5 . 在平面直角坐标系
中,曲线
:
,曲线
:
(
为参数),以坐标原点O为极点,x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)若射线
与曲线
,
的公共点分别为A,B,求
的最大值.
![](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/cbe0890043f34b4575bf7bb3a773e32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b951b1898079b558ccfb555da9a33d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f2e72691e34ec4ab7e9ff3a4f9cf78.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/ac0f4498f2ff1e890d75d6d51ba6cbe8.png)
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2022-06-06更新
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5卷引用:黑龙江省鸡西市第四中学2022届高三三模数学(理)试题
黑龙江省鸡西市第四中学2022届高三三模数学(理)试题(已下线)2022年全国高考甲卷数学(理)试题变式题13-16(已下线)2022年全国高考甲卷数学(理)试题变式题13-16题(已下线)2022年全国高考甲卷数学(理)试题变式题21-23题宁夏北方民族大学附属中学2023届高三上学期月考(一)数学(理)试题
6 . 在极坐标系中,点(2,
)到直线
的距离为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f57db5711a74eb8cd45e21415fa819f.png)
您最近一年使用:0次
7 . 在平面坐标系
中,圆M的参数方程为
(
为参数).以O为极点,x轴的正半轴为极轴建立极坐标系,曲线C的极坐标方程为
.
(1)求圆M的普通方程与曲线C的直角坐标方程;
(2)过圆M的圆心作直线l交曲线C于A,B两点,若
,求直线l的直角坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f89e22a2d8480c77c0c145637f7fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106ce617ebcd2e5e02ea23e79bb114dd.png)
(1)求圆M的普通方程与曲线C的直角坐标方程;
(2)过圆M的圆心作直线l交曲线C于A,B两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05144d53268bac9d751e6844204258d.png)
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2022-05-26更新
|
750次组卷
|
5卷引用:华大新高考联盟名校2022届高考押题(全国卷)理科数学试题
8 . 在直角坐标系
中,圆
的的参数方程为
(
为参数),圆
经过伸缩变换
得曲线
,以坐标原点为极点,
轴正半轴为极轴建立极坐标系.已知直线
经过极点和点
.
(1)求曲线
的极坐标方程与直线
的参数方程;
(2)设直线
与曲线
交于
,
两点,求
.
![](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/51e86d785c71b00d8fa581d40bac68bc.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/ac09f1115b3d8583f8c309601cfbd645.png)
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d81f8c37a449e3088f15fe968174be.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2022-05-26更新
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2卷引用:新疆克拉玛依市2022届高三下学期第三次模拟检测数学(文)试题
9 . 在平面直角坐标系
中,直线
的直角坐标方程为
,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.
(1)求直线
与曲线
的极坐标方程;
(2)已知射线
,
,若射线
与直线
交于点
,与曲线
交于点
、
,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/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd4dd799907088929328ee340b84831.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)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd04f0a2c6989ab9937e378d5d0f97f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271210976b664245c4955955f5d17a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff24c95fe581befd56c3bcc70e88b726.png)
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2022-05-20更新
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736次组卷
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3卷引用:陕西省部分地市学校2022届高三下学期高考全真模拟考试理科数学试题
名校
解题方法
10 . 在平面直角坐标系xOy中,曲线
的参数方程为
其中t为参数,
,曲线
的参数方程为
(
为参数).以坐标原点O为极点,x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)若
,曲线
,
交于M,N两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7a109f135c6e67e084a1dd9774ddaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7cbba6f130b84315180391c177d0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73959c16e07182df3437da9800ff97e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)求曲线
![](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/4120436d6ff0c58109473edc068257c3.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/2caac14fd6f2f4d683f734d6a1b4a155.png)
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2022-05-18更新
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754次组卷
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7卷引用:青海省西宁市大通回族土族自治县2022届高三二模数学(文科)试题