名校
1 . 在直角坐标系
中,曲线
(
为参数,
).在以
为极点,
轴正半轴为极轴的极坐标系中,直线
.
(1)若
与曲线
没有公共点,求
的取值范围;
(2)若曲线
上存在点到
距离的最大值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4ed9e8f65ed7c5f3993a7d631053c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.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/cb713ccab64b3e233085da7420cfd1a7.png)
(1)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/36a1b09c653185842513e24ebba60bb3.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662e2d8e74ea39560fd25b938c0c3904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-10-20更新
|
598次组卷
|
8卷引用:福建省福州市2018届高三上学期期末质检数学理试题
名校
2 . 若点
的直角坐标为
,则它的极坐标可以是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f270073fb33f95a20c3dbb5922a8832d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-09-19更新
|
892次组卷
|
6卷引用:【全国市级联考】福建省南平市2017-2018学年高二下学期期末质量检测数学(文)试题
【全国市级联考】福建省南平市2017-2018学年高二下学期期末质量检测数学(文)试题河南省南阳市2018-2019学年高二下学期期末考试数学(文)试题(已下线)2019年12月22日《每日一题》一轮复习文数-每周一测(已下线)2019年12月22日《每日一题》一轮复习理数-每周一测安徽省阜阳市颍州区第三中学2019-2020学年高二上学期期末数学(文)试题陕西省西安市阎良区关山中学2021-2022学年高二下学期第三次质量检测文科数学试题
名校
3 . 选修4-4:坐标系与参数方程
已知在直角坐标系
中,以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程为
,曲线
的参数方程为
(
为参数).
(1)求直线
和曲线
的直角坐标方程;
(2)设点
是曲线
上的一个动点,求它到直线
的距离
的最大值.
已知在直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/bb316fae70394c7764ea4b798236e64e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01a09034090686f70cdf7bd0e0aa499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
您最近一年使用:0次
2019-01-20更新
|
664次组卷
|
3卷引用:【市级联考】福建省龙岩市2019届高三第一学期期末教学质量检查数学(理科)试题
名校
4 . 在极坐标系中,已知点
,
,曲线
的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c43b934a51be6d3bf636c1fc38de25.png)
(1)求直线AB的直角坐标方程;
(2)求曲线
的直角坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b849e26e3daf517eee4e028d2f49755b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d716b2f59e5f77b30a714de3deb6f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c43b934a51be6d3bf636c1fc38de25.png)
(1)求直线AB的直角坐标方程;
(2)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
5 . 已知平面直角坐标系xOy中,直线l的参数方程为
(t为参数,0≤α<π且
),以原点O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
.已知直线l与曲线C交于A、B两点,且
.
(1)求α的大小;
(2)过A、B分别作l的垂线与x轴交于M,N两点,求|MN|.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b593eabb40f2555fbe0f635d6f53973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b550d8c95ee0c841ff7b2e745fc3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9adfd1a76d04a0e272ef7e586d66ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c8cbba1a1ac0e8ecf9f91ede0f7f9f.png)
(1)求α的大小;
(2)过A、B分别作l的垂线与x轴交于M,N两点,求|MN|.
您最近一年使用:0次
6 . 选修4-4:坐标系与参数方程
在平面直角坐标系
中,曲线
参数方程为
(
为参数,
),以坐标原点为极点,以
轴正半轴为极轴,建立极坐标系,曲线
的极坐标方程为
.
(Ⅰ)写出曲线
的普通方程和曲线
的直角坐标方程;
(Ⅱ)已知点
,曲线
和曲线
交于
,
两点,且
,求实数
的值.
在平面直角坐标系
![](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/a9ba63dd99354b1dce53a68c6c2fca6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.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/23dd406c6137b3ba77cc5346508eb3a4.png)
(Ⅰ)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(Ⅱ)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594d4b99d4c5c90fc2e8010cc198551d.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a907ef7e7c18740a71f95ef8976d4d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . 已知过点
的直线l的参数方程是
为参数
以平面直角坐标系的原点为极点,x轴的正半轴为极轴,建立极坐标系,曲线C的极坐标方程式为
.
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)若直线l与曲线C交于两点A,B,且
,求实数m的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb60e4221043163435872e5b3de5633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3fc3ad9f72bd8ccc425cce754384546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a999fda5febcf29a602dc236e5f65de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fcde4b32dca1fdc8e31121e55cd6b7.png)
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)若直线l与曲线C交于两点A,B,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c262785b41a7ada4ddf7610ebace69.png)
您最近一年使用:0次
2018-07-15更新
|
517次组卷
|
13卷引用:福建省晋江市季延中学2017-2018学年高二下学期期末考试数学(文)试题
福建省晋江市季延中学2017-2018学年高二下学期期末考试数学(文)试题内蒙古北京八中乌兰察布分校2017-2018学年高二下学期期末考试数学(理)试题广西南宁市第八中学2017-2018学年高二下学期期末考试数学(理)试题2017届广东惠州市高三上二模考试数学(理)试卷2017届广东惠州市高三上二模考试数学(文)试卷2017届重庆市第一中学高三文12月月考数学试卷山东省济宁市2016-2017学年高二下学期期末考试文数试题山东省济宁市2016-2017学年高二下学期期末考试理数试题山东省曲阜师范大学附属中学2016-2017学年高二下学期期末考试数学(文)试题山东省曲阜师范大学附属中学2016-2017学年高二下学期期末考试数学(理)试题江西省南昌市新建区第一中学2020-2021学年高二上学期期末考试数学(理)试题四川省巴中中学、南江中学2020-2021学年高二上学期期末联考数学(理)试题四川省巴中中学、南江中学2020-2021学年高二上学期期末联考数学(文)试题
8 . 在直角坐标系
中,曲线
的参数方程为
(
为参数,
),过点
的直线
的参数方程为
(
为参数).
(Ⅰ)求曲线
的普通方程,并说明它表示什么曲线;
(Ⅱ)设曲线
与直线
分别交于
,
两点,若
,
,
成等比数列,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/725f0266d835371a9dde31834c57df27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0821a465f1420f632a98b0ad0331d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b17e911a953d0abe6b6854788cd8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbef77a0190da6c84b707e1f76423f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642bf32b200dac60a56ff523d9f48317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3626160ecae31d5caff1696a2ea5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-07-13更新
|
450次组卷
|
2卷引用:【全国市级联考】福建省南平市2017-2018学年高二下学期期末质量检测数学(文)试题
9 . 在直角坐标系
中,曲线
的方程为
,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
,射线
的极坐标方程为
.设射线
与曲线
、直线
分别交于
、
两点,则
的最大值为
![](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/fdc2518c64be54c16908f868034d8fa7.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/c86bc702d81f0d51990fcf3fd6f33bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c378ecb685d21c258b5f7b47e332fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcb4841ae7bb1d5f91837094cdfcf2c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-07-13更新
|
689次组卷
|
3卷引用:【全国市级联考】福建省南平市2017-2018学年高二下学期期末质量检测数学(文)试题
10 . 直线
:
被圆
:
(
为参数)截得的弦长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab913b769af291ca08e134925d134442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448ea4a429de9b44cf1520302d2fb3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.8 |
您最近一年使用:0次