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1 . 在平面直角坐标系xOy中,圆
,以原点O为极点,x轴正半轴为极轴建立极坐标系,直线
平分圆M的周长.
(1)求圆M的极坐标方程;
(2)过O作两条互相垂直的直线
,
,其中
与圆M交于O,A两点,
与圆M交于O,B两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361fd87ce03f78d4cc1f350b559bca46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2ede180a4e9daa5ad73a537e791825.png)
(1)求圆M的极坐标方程;
(2)过O作两条互相垂直的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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2 . 若椭圆的参数方程为
(
为参数),则椭圆的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca6310e21d5665e433ab9a13fbea38c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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3 . 在平面直角坐标系
中,圆
,以原点
为极点,
轴正半轴为极轴建立极坐标系,圆心
在直线
上.
(1)求圆
的极坐标方程;
(2)过
作两条互相垂直的直线
,其中
与圆
交于
两点,
与圆
交于
两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a58b2a88e160e523bdc0f953ea0ed08.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/ce90d1e663ca4df813f44dbd81da14a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f65c19068583d5a7704f635ee24dc7f.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9cda46e575acf64941ea0964b89ee99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc62c28c53286cd17e9eb997af7221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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解题方法
4 . 若点
在曲线
(
为参数)上,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c085e8bb6f9894780bc69dd8b96b734d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf99adccc80f28343fedd8d0aad7429.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 点
为极坐标系中的一点,给出如下各点的坐标:①
;②
;③
;④
.其中可以作为点
关于极点的对称点的坐标的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adc55b3ddd4eb6a59833882cd7f2f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/871534be7754c5aa0e44b3883b0781db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bf791b7ef8491139a6a4d32342c670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b93df54612e3a2e5944e9b7c0776f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186fd5251950f62ccba1402ede4f9145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.①② | B.①③ | C.②③ | D.②④ |
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6 . 参数方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc15c2afe4d93fdf31637732fa1aab94.png)
为参数
表示的曲线是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc15c2afe4d93fdf31637732fa1aab94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104c87717fcdb3b4513c4ea57bd03bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.直线 | B.圆 | C.椭圆 | D.双曲线 |
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2024-02-26更新
|
66次组卷
|
2卷引用:陕西省咸阳市实验中学2021-2022学年高二下学期阶段性检测(一)数学(文)试题
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7 . 在同一平面直角坐标系中,经过伸缩变换
后,曲线
变为曲线
,则曲线
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c158276175f2db250a569ed74ca3d766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d67063727089919c0a5d02667defc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
8 . 在平面直角坐标系
中,已知直线
与曲线
(
为参数)恰有两个不同的交点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3348aa4cbf8f53e4ba7247acc94da5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3534b1517ba7a64a8c72ec0ab5ecfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-02-24更新
|
21次组卷
|
2卷引用:陕西省咸阳市实验中学2021-2022学年高二下学期阶段性检测(二)数学(文)试题
名校
解题方法
9 . 在平面直角坐标系中,曲线C的参数方程为
(
为参数),直线
的参数方程为
(t为参数).
(1)写出曲线C与直线
的普通方程;
(2)设点
,点N在曲线C上.以坐标原点O为极点,x轴正半轴为极轴建立极坐标系,求线段
中点P的轨迹的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a11e66d3257ff29badb860916f78dc9.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/2e00e4e1da6c68c65bd7f3842277b1c5.png)
(1)写出曲线C与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cf8af6e62058cc4e2d83d5da7f4c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2024-02-20更新
|
111次组卷
|
2卷引用:陕西省咸阳市实验中学2021-2022学年高二下学期阶段性检测(二)数学(文)试题
解题方法
10 . 已知在平面直角坐标系xOy中,曲线
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
的极坐标方程为
,曲线
交曲线
于
两点.
(1)求曲线
的普通方程与曲线
的直角坐标方程;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2461179b9d544d037c072f0f5b2ac11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b94d3c429efaf9e60f75717d21d58c.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/7789a500686c7a73770404ead6af0590.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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