名校
1 . 在直角坐标系
中,以
为极点,
轴的正半轴为极轴建立极坐标系,已知曲线
的极坐标方程为
,曲线
的极坐标方程为
,曲线
的极坐标方程为
.
(1)求
与
的直角坐标方程;
(2)若
与
的交于
点,
与
交于
、
两点,求
的面积.
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59029d69bc42e78ccf12cc5b1b562f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6e7fee3b475cd67b467c62ccffdd8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c7afba7fa24b295454141892a5a986.png)
(1)求
![](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/23f3ffe7abc59e2f65d827c8eab8d36a.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.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/53502463cc76201000e02df314e58769.png)
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2020-04-01更新
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5卷引用:广西钦州市第一中学2019-2020学年高二下学期期中考试数学(理)试题
2 . 在极坐标系中,已知
,
,则
,
两点间的距离为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e883c16b16b80e126c4c5859ee81bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f7088ad2c6e60468398f670ad614c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2019-07-04更新
|
638次组卷
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5卷引用:广西天等中学2019-2020学年高二上学期期中考试数学理科试题
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,α∈R),在以坐标原点为极点,x轴非负半轴为极轴的极坐标系中,曲线
.
(Ⅰ)求曲线C1的普通方程与曲线C2的直角坐标方程;
(Ⅱ)若曲线C1和曲线C2相交于A,B两点,求|AB|的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bf90f6f8cfcc98593b0d3769232a1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008dea0756b5eb5cfb35812094cb0dd6.png)
(Ⅰ)求曲线C1的普通方程与曲线C2的直角坐标方程;
(Ⅱ)若曲线C1和曲线C2相交于A,B两点,求|AB|的值.
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2019-04-26更新
|
353次组卷
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3卷引用:广西钦州市第一中学2019-2020学年高二下学期期中考试数学(文)试题
名校
4 .
在平面直角坐标系
中,曲线
的参数方程为:
(
为参数,
),将曲线
经过伸缩变换:
得到曲线
.
(1)以原点为极点,
轴的正半轴为极轴建立坐标系,求
的极坐标方程;
(2)若直线
(
为参数)与
相交于
两点,且
,求
的值.
在平面直角坐标系
![](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/51e86d785c71b00d8fa581d40bac68bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5b9af2c3d4abeba615fe01211c6150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16df129eee2ada2f71af42d934070021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)以原点为极点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4588929ac23e01a7633d441c8a92d0b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3900e2f81e686e1d662230d54f1cd2ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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11卷引用:【全国百强校】广西南宁市第二中学2017-2018学年高二下学期期中考试数学(文)试题
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