1 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数),以坐标原点为极点,
轴为极轴建立极坐标系,曲线
的极坐标方程为:
.
(1)求
的普通方程和
直角坐标方程;
(2)若
,
交于
、
两点,点
的极坐标为
,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/304b18c7b9ebce0af00706428eb15e08.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/075115a5bc60e9eae149cfae175994fc.png)
(1)求
![](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/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/350ad277cd9d6bf3a8d89b4302405046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
您最近一年使用:0次
解题方法
2 . 在直角坐标系
中,圆
的参数方程为
(
为参数),直线
的参数方程为
(
为参数).
(1)判断直线
和圆
的位置关系,并说明理由;
(2)设
是圆
上一动点,
,若点
到直线
的距离为
,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/acc3159feeae8005474280c8e5cb2c4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c1824fbe335e815bae80351a147512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50e8741a8fa54f00485f2661a632838.png)
您最近一年使用:0次
2022-11-04更新
|
1090次组卷
|
7卷引用:江西省上饶市民校考试联盟2023届高三上学期阶段测试(二)数学(文)试题
3 . 已知曲线
的参数方程为
(
为参数),以
为极点,
轴的非负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,曲线
的直角坐标方程;
(2)设曲线
的交点为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d6bfcdf9f517426741131bd167383e.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27bd6de5b955ece11530dd4997b12b74.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.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
2022-09-11更新
|
777次组卷
|
3卷引用:江西省南昌市2023届高三上学期摸底测试(零模)数学(理)试题
4 . 在直角坐标系
中,直线
的参数方程为
(其中
为参数).以坐标原点为极点,
轴非负半轴为极轴建立极坐标系,已知曲线
的极坐标方程为
(其中
为常数,且
).
(1)写出直线
的普通方程和曲线
的直角坐标方程;
(2)直线
与曲线
交于
两点,与
轴交于点
,若
,求
的值.
![](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/9b4f0f4e23f110274231777d520b7af5.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c2f5b346a240cbb7a0c63c479d07ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b694d668a51707c06b1b911f92b407b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
5 . 在直角坐标系
中,曲线
的参数方程为
(
为参数,
),
的参数方程为
(t为参数).
(1)求
的普通方程并指出它的轨迹;
(2)以O为极点,x轴的非负半轴为极轴建立极坐标系,射线
:
与曲线
的交点为O,P,与
的交点为Q,求线段
的长.
![](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/4151fab0ff51c32c8dd5cbe9f630b3de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3db37df1f42ba2f460dfef3f3ecb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3c5be2229c21687c88b39491bf6c36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)以O为极点,x轴的非负半轴为极轴建立极坐标系,射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905dd10639c9fef5ef8d66a124756140.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/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2022-12-13更新
|
864次组卷
|
6卷引用:江西省南昌市第十中学2023届高三第一次模拟数学(文)试题
名校
6 . 在平面直角坐标系
中,直线l的普通方程是
(
),曲线
的参数方程是
(
为参数),在以O为极点x轴的正半轴为极轴建立的极坐标系中,曲线
的极坐标方程是
.
(1)写出l及
的极坐标方程;
(2)已知l与
交于O,M两点,l与
交于O,N两点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d367f5450366f925f6fadb9a84c436c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612fd36aeb83099c4644c076db691612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4151fab0ff51c32c8dd5cbe9f630b3de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdebedd02b4ea57f8562443742086d3.png)
(1)写出l及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)已知l与
![](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/7b25e26162babba7a75770fcc544fe19.png)
您最近一年使用:0次
2022-12-01更新
|
388次组卷
|
3卷引用:江西省南昌市第八中学2023届高三上学期11月月考数学(理)试题
7 . 以等边三角形的每个顶点为圆心,以其边长为半径,在另两个顶点间作一段圆弧,三段圆弧围成的曲边三角形被称为勒洛三角形.如图,在极坐标系
中,曲边三角形
为勒洛三角形,且
.以极点O为直角坐标原点,极轴
为x轴正半轴建立平面直角坐标系
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/bf488cd2-35db-497a-870a-dd800c79cf0b.png?resizew=167)
(1)求
的极坐标方程;
(2)若曲线C的参数方程为
(t为参数),求曲线C与
交点的极坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6c71a0da6a878a5b12bf8a8e784645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3015dd7ed92690f30c98a1c14b369725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/bf488cd2-35db-497a-870a-dd800c79cf0b.png?resizew=167)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320c0f9263761963de27e41442a62a42.png)
(2)若曲线C的参数方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096e6af1112a02ff47b3ce7df59b644b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320c0f9263761963de27e41442a62a42.png)
您最近一年使用:0次
2022-11-24更新
|
1335次组卷
|
9卷引用:江西省五市九校协作体2023届高三上学期第一次联考数学(理)试题
江西省五市九校协作体2023届高三上学期第一次联考数学(理)试题江西省五市九校协作体2023届高三上学期第一次联考数学(文)试题四川省泸州市2022-2023学年高三上学期第一次教学质量诊断性考试数学(理)试题四川省泸州市2022-2023学年高三上学期第一次教学质量诊断性考试数学(文)试题四川省遂宁市第二中学校2022-2023学年高三上学期第五次模拟考试数学理科试题四川省遂宁市第二中学校2022-2023学年高三上学期第五次模拟考试数学文科试题(已下线)江西省五市九校协作体2023届高三第一次联考文科数学试题变式题21-23(已下线)安徽省江南十校2022届高三下学期3月一模理科数学试题变式题21-23(已下线)专题21坐标系与参数方程
8 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数).以坐标原点
为极点,
轴的非负半轴为极轴建立极坐标系,圆
的极坐标方程为
.
(1)求
的普通方程和
的直角坐标方程;
(2)若
与
相交于
,
两点,求
的值.
![](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/95060febc8c15a97d459c8cf5f70314b.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/bc0eda6b070b030bdaf5752e3525b8aa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](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/6a7002fc4657f8a357802df1a67afe42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2d5c7a6824bfb6f6cbc98a024eeb2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c586053b03d1e8737b6697a6a4016c56.png)
您最近一年使用:0次
2022-11-23更新
|
211次组卷
|
2卷引用:江西省西路片七校2023届高三上学期第一次联考数学(文)试题
9 . 已知直线 l 的参数方程为
(t为参数),以坐标原点为极点,x轴的非负半轴为极轴,建立极坐标系,曲线C的极坐标方程为
.
(1)求直线 l 的普通方程和曲线C的直角坐标方程;
(2)已知直线 l 与曲线C相交于P,Q两点,点M的直角坐标为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e00e4e1da6c68c65bd7f3842277b1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d7fd29e407caca2902956fdca99ad7.png)
(1)求直线 l 的普通方程和曲线C的直角坐标方程;
(2)已知直线 l 与曲线C相交于P,Q两点,点M的直角坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee83a66a7adb36543dbd9238547a0cd.png)
您最近一年使用:0次
2022-07-06更新
|
1918次组卷
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10卷引用:江西省丰城市第九中学(日新班)2023届新高三上学期摸底考数学(文)试题
江西省丰城市第九中学(日新班)2023届新高三上学期摸底考数学(文)试题河南省洛阳市创新发展联盟2022-2023学年高三摸底考试理科数学试题河南省洛阳市创新发展联盟2022-2023学年高三摸底考试文科数学试题河南省南阳市第一中学校2022-2023学年高三上学期第一次阶段性考试数学(理)试题广西桂林市联盟校2023届高三上学期9月入学统一检测数学(文)试题广西桂林市联盟校2023届高三上学期9月入学统一检测数学(理)试题甘肃省武威第六中学2022-2023学年高三上学期第三次过关考试理科数学试题宁夏银川市第一中学2023届高三上学期第四次月考数学(文)试题宁夏银川市第一中学2023届高三上学期第四次月考数学(理)试题(已下线)专题21坐标系与参数方程
10 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),以O为极点,以x轴的正半轴为极轴建立极坐标系曲线
的极坐标方程是
.
(1)求曲线
的极坐标方程和曲线
的直角坐标方程;
(2)射线
:
与曲线
交于点O和点A,将射线
按逆时针方向旋转
,得到射线
,射线
与曲线
交于点B,试求
的最大值.
![](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/4ec12616045942957f6ee3b3aae5c4c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c297637a6a6f2ec24f34a3035a8789d3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5fe8c5fc5c63ca6cbbe000020f5ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eab337bf4e133918aa1af547411a2f1.png)
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