1 . 在直角坐标系
中,曲线
的参数方程为
(t为参数且
),曲线
与x轴,y轴分别交于A,B两点,以坐标原点为极点,x轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求A,B两点的直角坐标及曲线
的直角坐标方程;
(2)设直线
与曲线
:交于P,Q两点,求
的值.
![](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/a77eb0c092e55803d3d17dadb01ee4e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a369ce3949b2bd2747a48054f7b951c4.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/7974e8727829794e0e87768e0032ba7e.png)
(1)求A,B两点的直角坐标及曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b8765fea937484a548b7e4a9654963.png)
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2022-06-05更新
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3卷引用:陕西省西北工业大学附属中学2022届高三下学期第十一次适应性训练理科数学试题
2 . 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
,
是曲线
上的两点,且
,求
.
![](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/b119ac3aeca5e432e1b518dcd71e1468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcb4841ae7bb1d5f91837094cdfcf2c.png)
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6卷引用:陕西省西安交通大学附属中学2022届高三下学期第七次模拟考试文科数学试题
陕西省西安交通大学附属中学2022届高三下学期第七次模拟考试文科数学试题广西柳州市2023届高三毕业班上学期11月模拟统考数学(理)试题广西柳州市民族高中2023届高三上学期11月模拟统考数学(文)试题广西灵山县新洲中学2023届高三上学期11月月考数学(文)试题广西钦州市2023届高三上学期11月模拟统考数学(文)试题(已下线)河南省南阳市2022-2023学年高三上学期期末数学(理)试题变式题21-23
名校
3 . 在直角坐标系中,直线l的参数方程为
(t为参数).以直角坐标系的原点O为极点,x轴的非负半轴为极轴建立极坐标系.在极坐标系中,曲线S的极坐标方程为
.
(1)①求直线l的普通方程;
②当曲线S过极坐标系中的点
时,求曲线S的直角坐标方程.
(2)若直线l与曲线S交于A、B两点,定点
,且
.求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebda58225aa066c0d461b216ba48cf77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b5be43eb45f6e293d504744ccaa502.png)
(1)①求直线l的普通方程;
②当曲线S过极坐标系中的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c19a1bda46c9ca167c04a204aa68cb.png)
(2)若直线l与曲线S交于A、B两点,定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a42451bdbef6c82dbaf8e06f0614794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92d49148a5b15c718f980eeaa4ae556.png)
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3卷引用:陕西省西安地区八校2022届高三下学期5月联考文科数学试题
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4 . 以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,圆
的极坐标方程为
,圆
与极轴交于点A,点
为圆
上异于坐标原点的动点.
(1)写出点A的极坐标及圆
的参数方程;
(2)求
的最大值.
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120c0192f3a2e1bf69348350a710b737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)写出点A的极坐标及圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1180d78cdefd8c9fce9ba57d16fb774e.png)
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名校
5 . 在直角坐标系xOy中,曲线C的参数方程为
.以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,直线l的极坐标方程为
.
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)已知点
,直线l与曲线C交于A,B两点,AB的中点为M,求|PM|的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6bb77a76d21b03fb3f4b1a3d21d396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb6673d1fdeffaa8be277571802a2ad.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758a8bbcb76c425086a92f133203a433.png)
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4卷引用:陕西省西北工业大学附属中学2022届高三下学期第十三次适应性训练文科数学试题
6 . 在直角坐标系xoy中,曲线
的参数方程为
(
为参数).在以原点为极点,
正半轴为极轴的极坐标系中,直线
和
的极坐标方程分别为
.
(1)求曲线
的极坐标方程;
(2)设直线
和
与曲线
分别交于不同于坐标原点的
点和
点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1448c87bbd2af1d89f74251957273e0.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ea4930ed590195957bf43c28e6857d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](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/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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名校
解题方法
7 . 已知在平面直角坐标系中,曲线
的参数方程为
为参数),在以坐标原点为极点,以
轴为极轴的极坐标系中,直线
的极坐标方程为
.
(1)求曲线
的普通方程和直线
的直角坐标方程;
(2)设
与
的两个交点为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383d7771d9c733408eb395f3e5ef53c5.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/5724b841c421396583afd9ed44f7b1ad.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
![](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/05da40a2d7dab5d6a003906ca19d4749.png)
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2022-05-23更新
|
570次组卷
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4卷引用:陕西省2022届高三下学期高考预测文科数学试题
陕西省2022届高三下学期高考预测文科数学试题陕西省西安交通大学附属中学2022届高三下学期全真模拟(二)理科数学试题(已下线)2022年全国高考甲卷数学(文)试题变式题13-16题(已下线)2022年全国高考甲卷数学(文)试题变式题21-23题
8 . 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
|
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
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9 . 已知曲线C的极坐标方程为
,直线
:
,直线
:
.以极点O为原点,极轴为x轴的正半轴建立平面直角坐标系.
(1)求直线
,
的直角坐标方程以及曲线C的参数方程;
(2)已知直线
与曲线C交于O,A两点,直线
与曲线C交于O,B两点,求△AOB的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac760eeaeeab80ed1ad2d0cc883eb77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375c9ffcad17ff3d7240a417b086a0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a6c480c30f819d62903dc3048a6f4.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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2022-05-11更新
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4卷引用:陕西省铜川市耀州中学2022届高三下学期热身冲刺考理科数学试题
名校
解题方法
10 . 设P是椭圆C:
上的点,则点P到动点
距离的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc603fea876cbf85b1efcb5bab0d500f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8768a523003997f36eeeaa219b670f.png)
A.1 | B.![]() | C.![]() | D.2 |
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