名校
1 . 在平面直角坐标系xOy中,曲线
的参数方程为
(t为参数),点
.以O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
,射线l的极坐标方程为
.
(1)写出曲线
的极坐标方程;
(2)若l与
,
分别交于A,B(异于原点)两点,求△PAB的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a943b76240de530dbbedd1e3d871001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af74113f38fffeed8075e57d7f9d2533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b80024f36b7b8604522ba11a6ca129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44670943f3d1ba89787b7cd2060d87ac.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若l与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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1331次组卷
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8卷引用:陕西省西安市周至县2024届高三一模数学(文)试题
2 . 在极坐标系中,
,
,
,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,已知直线l的参数方程为
(t为参数,
),且点P的直角坐标为
.
(1)求经过O,A,B三点的圆C的极坐标方程;
(2)求证直线l与(1)中的圆C有两个交点M,N,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f2fee11cd80e25b6f319c34eccc4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c36e2bbd82360f0411080435c8b4b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1108bdbdc840746ab6c3428e82f6144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa528bcfeca58c46fedfeaf0969d3a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
(1)求经过O,A,B三点的圆C的极坐标方程;
(2)求证直线l与(1)中的圆C有两个交点M,N,并求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
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名校
3 . 直线
(t为参数),圆
(极轴与x轴的非负半轴重合,且单位长度相同).
(1)求圆心C到直线l的距离;
(2)若直线l被圆C截得的弦长为
,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9cae9b7f4e91e9c80fcedffe8ba4b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362ba47e864eba162e8713c035ff9842.png)
(1)求圆心C到直线l的距离;
(2)若直线l被圆C截得的弦长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc3aaad905bb6ce8bd82cf68ef275e1.png)
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2023-05-01更新
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5卷引用:陕西省咸阳市2023届高三三模文科数学试题
名校
4 . 在平面直角坐标系中,以原点为极点,
轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
,若点
在直线
上,点
在圆
上(其中
).
(1)求曲线
的直角坐标方程和
、
的直角坐标;
(2)已知
所在直线
与曲线
交于
、
两点,与
轴交于点
,求
的值.
![](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/6de7e3ee384727f6a0637f33da11f227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eef8dcff9278ee8989c77bd365d3ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee85ced1fc1ed859da4a5bed97d25aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c947df78b498f4a9e9f63591ba90ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7163c8813f4a230d765da1afb4804d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdefd493ef067254fe805d777480d20a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
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2023-04-29更新
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482次组卷
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2卷引用:陕西省安康中学2023届高三下学期4月质量监测文科数学试题
名校
解题方法
5 . 在平面直角坐标系xOy中,曲线C的参数方程为
(m为参数),以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,已知点M(2,0),直线l的极坐标方程为
.
(1)求曲线C的普通方程以及直线l的直角坐标方程;
(2)已知过点M的直线n,与曲线C交于P,Q两点,且
,求直线n的倾斜角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ca74f06f2d4eb6e980b4138604d8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bca010f0b16ff5fad8c8aed01514d7.png)
(1)求曲线C的普通方程以及直线l的直角坐标方程;
(2)已知过点M的直线n,与曲线C交于P,Q两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe83ae3d4d58b1c8e2fbf839daa5748f.png)
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2023-04-29更新
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2卷引用:陕西省西安中学2023届高三七模理科数学试题
6 . 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,直线
的极坐标方程为
.
(1)求
的普通方程和
的直角坐标方程;
(2)
与
交于
两点,
是
上不同于
的一点,若
的面积为
,求点
的坐标.
![](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/39b9c58c59b4595b72a08076fa95cb22.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de32b86960113cd187fc5c26f45665d3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)
![](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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a9dabb53dc826019fc8b6ae6d940c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2023-04-28更新
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3卷引用:陕西省咸阳市普集街道部分学校2024届高三下学期高考模拟考试(三)数学(理科)试题
名校
解题方法
7 . 已知点
在曲线
上.
(1)求动点
的轨迹C的参数方程,并化为直角坐标方程;
(2)过原点的直线l与(1)中的曲线C交于A,B两点,且
,求直线l的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f336ffc6136f16cb2d9b6e90dba18ccb.png)
(2)过原点的直线l与(1)中的曲线C交于A,B两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55712acdad4ab2b37fee8fa4984055f8.png)
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2023-04-24更新
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527次组卷
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4卷引用:陕西省宝鸡市2023届高三三模文科数学试题
8 . 在平面直角坐标系
中,已知直线
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)求直线
的普通方程与曲线
的直角坐标方程;
(2)若射线
(其中
,且
,
)与曲线
在
轴上方交于点
,与直线
交于点
,求
.
![](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/7ef122c50ffcd0b939a416c65e6638c8.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b53abdddac76981c5be8956a1e137ba.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c54258755a1798a586a77765e2b0066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e744af0f65e797a35d976c20f2dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147f48c14c4d8e6c08d05f4e90dc4bb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278949a1dbbe742ef4dfb4596fd94911.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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2023-04-23更新
|
451次组卷
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3卷引用:陕西省安康市2023届高三三模理科数学试题
名校
解题方法
9 . 在直角坐标系
中,直线
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
,
为曲线
上一点.
(1)求
到直线
距离的最大值;
(2)若
为直线
与曲线
第一象限的交点,且
,求
的面积.
![](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/dad8e27e8b76b3ee9879b906967ec56c.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61cae86283994e13c9fb79d0d4398e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](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/875813437c3da795df902bbc2c8c4fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
2023-04-20更新
|
303次组卷
|
2卷引用:陕西省铜川市2023届高三二模理科数学试题
10 . 在平面直角坐标系中,直线
过定点
,倾斜角为
,以原点为极点,
轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)写出曲线
的直角坐标方程和直线
的参数方程;
(2)设直线
与曲线
相交于
两点,设
,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c69f5b09bc78cb45d196c8231b0f9c8.png)
(1)写出曲线
![](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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cf8af6e62058cc4e2d83d5da7f4c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5b82e45aab765222a2e419c02788139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023-04-14更新
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4卷引用:陕西省西安市临潼区、阎良区2023届高三一模文科数学试题