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,
轴正半轴为极轴,建立极坐标系,曲线
的极坐标方程为
.
(1)写出
的普通方程和
的直角坐标方程;
(2)若曲线
与曲线
交于
、
两点,求以
为直径的圆的极坐标方程.
![](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/f63baf9406aa2d99e6f623d6c6c78511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb6673d1fdeffaa8be277571802a2ad.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若曲线
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
2022·河南新乡·三模 查看更多[3]
更新时间:2022-04-26 08:25:48
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】在直角坐标系xOy中,曲线C的参数方程为
(t为参数),以坐标原点为极点,x轴正半轴为极轴建立极坐标系,已知直线l的极坐标方程为
.
(1)曲线C与坐标轴交于A,B两点,求直线AB的极坐标方程;
(2)若l与曲线C有公共点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc06314a5182d3b6813fb3e22c316dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494e37e7ee8c538d3d15ef373f2fa3b5.png)
(1)曲线C与坐标轴交于A,B两点,求直线AB的极坐标方程;
(2)若l与曲线C有公共点,求m的取值范围.
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【推荐2】在平面直角坐标系xOy中,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
,直线
的极坐标方程为
.
(1)求曲线
的一个参数方程和直线
的直角坐标方程;
(2)若直线l的极坐标方程为
,且直线l分别与曲线
,直线
交于A,B两点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdebedd02b4ea57f8562443742086d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/336a642586c34f7e8f5408fd91f70302.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若直线l的极坐标方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9596587b559961d22c814fb242b35290.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/8e8304947c8544f7aaca09fcdceec696.png)
您最近一年使用:0次
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(0.65)
名校
【推荐1】在平面直角坐标系
中,曲线
的参数方程是
(
为参数),以射线
为极轴建立极坐标系,直线
的极坐标方程为
.
(1)将曲线
的参数方程化成普通方程,将直线
的极坐标方程化成直角坐标方程;
(2)求直线
与曲线
相交所得的弦
的长.
![](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/484f12db4a6a28128467d5445d403d22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01aa0c30652c66f3ad1ac97323889d6c.png)
(1)将曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求直线
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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(0.65)
名校
【推荐2】曲线
的参数方程为
(
为参数),以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的极坐标方程和曲线
的直角坐标方程;
(2)过原点且倾斜角为
的射线
与曲线
分别交于
两点(异于原点),求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554c5bcc59bed189369f1c3caa0ef892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05c0582d65c8fb795a10588b3bfc219d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过原点且倾斜角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672a669385f5e2d3633078bc402b9703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969b06c3a8abe3a3b80af16e3a05f8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff24c95fe581befd56c3bcc70e88b726.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐3】在平面直角坐标系
中,直线l的方程为
,曲线E的参数方程为
(
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)求直线l和曲线E的极坐标方程;
(2)射线
,
与曲线E分别交于点A,B,与直线l分别交于点D,C,求四边形ABCD的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bab7b913a04839bb9d4f1d5c8ce64c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83c66e1c7a55766c4bbf9f32e6047d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求直线l和曲线E的极坐标方程;
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e186ebc624ebacde9a03b96289f1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd15ead753cf2927f51d07c7727c6cd9.png)
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【推荐1】在极点为O的极坐标系中,直线
上有一动点P,动点M在射线OP上,且满足
,记M的轨迹为C.
(1)求C的极坐标方程,并说明C是何种曲线;
(2)若
,
,
均在曲线C上,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95fc45ef428d2de0bf23b66d0e7dc2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80acf912a507dcbb1e603c551ae3121.png)
(1)求C的极坐标方程,并说明C是何种曲线;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0eb685c4a492e30c41d99f56c5dd195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3866f025f1bd58ebb8a328a00045e9b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2025784a9edfb0baaba068690470c9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc2f175019475d15bdb4b1c9567dc44.png)
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适中
(0.65)
【推荐2】圆心C的极坐标为
,且圆C经过极点.
(1)求圆C的极坐标方程;
(2)求过圆心C和圆与极轴交点(不是极点)的直线的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6fda16b497a07e8f8db97074ec19b35.png)
(1)求圆C的极坐标方程;
(2)求过圆心C和圆与极轴交点(不是极点)的直线的极坐标方程.
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