1 . 在平面直角坐标系
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
,其中
.
(1)求曲线
与曲线
的交点的极坐标;
(2)直线
与曲线
,
分别交于
两点(异于极点
),
为
上的动点,求
面积的最大值.
![](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/f1dd31a086412c798146d11008253d4f.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)
![](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/625f9eceac7d3bbd3e4a80125d0efd8d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5324715391e897e7153c2d164e33bda.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
您最近一年使用:0次
2 . 在直角坐标系
中,以坐标原点为极点,x轴正半轴为极轴建立极坐标系.曲线C的极坐标方程为
,直线l的普通方程为
.
(1)将C的极坐标方程化为参数方程;
(2)设点A的直角坐标为
,M为C上的动点,点P满足
,写出P的轨迹
的参数方程并判断
与l的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
(1)将C的极坐标方程化为参数方程;
(2)设点A的直角坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f243b6c13d79517454562e4c1e0ec7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
您最近一年使用:0次
2023-04-23更新
|
1297次组卷
|
3卷引用:贵州省贵阳市五校2023届高三联合考试(五)理科数学试题
名校
3 . 如图,在极坐标系
中,圆O的半径为2,半径均为1的两个半圆弧
所在圆的圆心分别为
,M是半圆弧
上的一个动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/01c6592b-d838-4391-8932-d90a0b797a5c.png?resizew=169)
(1)若点A是圆O与极轴的交点,求
的最大值;
(2)若点N是射线
与圆O的交点,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3657d556a5db7c7ded5cf0121576e0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/01c6592b-d838-4391-8932-d90a0b797a5c.png?resizew=169)
(1)若点A是圆O与极轴的交点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e6f7ef8ede7bce7c46ae6ecc5bfe54.png)
(2)若点N是射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5fbe47ff8f7779836941242f6a741d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
您最近一年使用:0次
2023-02-19更新
|
1409次组卷
|
10卷引用:贵阳省铜仁市2023届高三下学期适应性考试(一)数学(理)试题
贵阳省铜仁市2023届高三下学期适应性考试(一)数学(理)试题贵州省贵阳市2023届高三下学期适应性考试(一)数学(文)试题贵州省贵阳市2023届高三下学期适应性考试(一)数学(理)试题河南省安阳一中、鹤壁高中、新乡一中2023届高三下学期联考理科数学试题(已下线)专题21坐标系与参数方程(已下线)专题20坐标系与参数方程江西省丰城中学2022-2023学年高三下学期3月月考文科数学试题(已下线)专题10-1 极坐标与参数方程题型归类(讲+练)-1四川省泸州市泸县第四中学2024届高三上学期期末数学(理)试题四川省泸州市泸县第四中学2024届高三上学期期末数学(文)试题
4 . 在平面直角坐标系
中,伯努利双纽线C(如图)的普通方程为
,直线l的参数方程为
(其中
为直线l倾斜角,t为参数).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/25f3f70f-a20a-464f-a09a-5abeb5982cfa.png?resizew=210)
(1)以O为极点,x轴的非负半轴为极轴建立极坐标系,求C和l的极坐标方程;
(2)设A、B是C与x轴异于原点的交点,当
时,l与C在第一象限的交点为M,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93cb39c22de76f1cf458ab6daaa99c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadd634077778c9db49c6082de3af072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/25f3f70f-a20a-464f-a09a-5abeb5982cfa.png?resizew=210)
(1)以O为极点,x轴的非负半轴为极轴建立极坐标系,求C和l的极坐标方程;
(2)设A、B是C与x轴异于原点的交点,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4b0c4b339f44bbac0e275eb0718234.png)
您最近一年使用:0次
2023-02-18更新
|
471次组卷
|
3卷引用:贵州省贵阳市普通中学2023届高三上学期期末监测考试数学(文)试题
名校
5 . 在直角坐标系
中,已知直线
的参数方程为
(
为参数,
),以坐标原点
为极点,
轴正半轴为极秞建立极坐标系,曲线
的极坐标方程为
.
(1)判断直线
与曲线
的交点个数;
(2)若直线
与圆
相交于
,
两点,点
的直角坐标为
,求
的取值范围.
![](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/954f6d453a9bf808214dffd9d904e7f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8472d44b3ce886705208978a95e5fcc5.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/fe52f1bddc47dd770aa119b0cf187007.png)
(1)判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a430c41f782c5c12f68a49c5d0cb1ee2.png)
您最近一年使用:0次
名校
解题方法
6 . 在平面直角坐标系
中,曲线C的参数方程为
(
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,直线l的极坐标方程为
.
(1)求曲线C和直线l的普通方程;
(2)已知点P的直角坐标为
,直线l与曲线C相交于不同的两点A,B,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429973740b48adc04581c761a773d098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35de54fe5faca9c6eb65a0d9a9cc2aa6.png)
(1)求曲线C和直线l的普通方程;
(2)已知点P的直角坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a3f21d4d834ba5b8b80dd56732c136.png)
您最近一年使用:0次
2022-12-01更新
|
572次组卷
|
2卷引用:贵州省贵阳第一中学2023届上学期高三高考适应性月考(三)数学(理)试题
7 . 在直角坐标系
中,曲线C的参数方程为
(
,t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,直线l的极坐标方程为
.
(1)求C和l的直角坐标方程;
(2)已知直线l与x轴的交点为F,且曲线C与直线l交于A,B两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0638d1212a0ffd7414f3c77ae5ec4d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ba3175b0bad271b6885d5f30a3e98c.png)
(1)求C和l的直角坐标方程;
(2)已知直线l与x轴的交点为F,且曲线C与直线l交于A,B两点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfdb0d7c66471e0b09ca22254aebca68.png)
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2022-11-24更新
|
635次组卷
|
2卷引用:贵州省贵阳市五校2023届高三上学期联合考试(三)数学(文)试题
8 . 以直角坐标系原点
为极点,轴的非负半轴为极轴建立极坐标系,已知直线的参数方程为
(
为参数),曲线
的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50284cd3c7ba28ec7e0b6f39f56e029.png)
(1)求曲线
的直角坐标方程;
(2)设直线
与曲线
相交于
两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e96d9064afeda2fce23aed4f83342ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50284cd3c7ba28ec7e0b6f39f56e029.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/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/aaff41080fdea43eea7efedf9ebc1498.png)
您最近一年使用:0次
2022-08-24更新
|
397次组卷
|
3卷引用:贵州省贵阳市贵阳乐湾国际试验学校2023届高三上学期开学考数学(理)试题
解题方法
9 . 在平面直角坐标系
中, 曲线
的参数方程为
(
为参数), 以坐标原点
为极点,
轴的非负半轴为极轴建立极坐标系,直线
的极坐标方程是
.
(1)求曲线
的普通方程和直线
的直角坐标方程;
(2)若直线
与曲线
交于
两点,点
,求
的值.
![](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/f3d56ae53ed70ceb752eecb91a210084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/af479815e8476f519cfdcd39e1de1cb9.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若直线
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37265a2c5a6db6e7571f16286aaed83e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063f4f4ce1d9822e9d5144ca0fc83979.png)
您最近一年使用:0次
2022-08-21更新
|
555次组卷
|
2卷引用:贵州省贵阳市2023届高三上学期开学联合考试数学(理)试题
名校
10 . 在平面直角坐标系xOy中,曲线C1的参数方程为
(
为参数).以坐标原点为极点,以x轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程.
(2)若
与
交于A,B两点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951adc260ac760987c25fd4cd2c2188d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0716101a319ddc14f275df5e3aa19f5.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
![](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/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
2022-05-13更新
|
800次组卷
|
5卷引用:贵州省贵阳市第六中学2022届高三一模数学(文)试题