1 . 在直角坐标系xOy中,直线l的参数方程为
(t为参数),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ρ2+2ρcos θ+4ρsin θ+4=0.
(1)求l的普通方程和C的参数方程;
(2)已知点M是曲线C上任一点,求点M到直线l距离的最大值,并求出此时点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb738094683a78b460499070ca9ae352.png)
(1)求l的普通方程和C的参数方程;
(2)已知点M是曲线C上任一点,求点M到直线l距离的最大值,并求出此时点M的坐标.
您最近一年使用:0次
2022-07-14更新
|
526次组卷
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3卷引用:广西桂林市023届高三上学期阶段性联合检测数学(理)试题
名校
2 . 在平面直角坐标系
中,曲线
过点
,其参数方程为
(
为参数,
).以
为极点,
轴非负半轴为极轴,建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程;
(2)已知曲线
与曲线
交于
两点,且
,求实数
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/56cb17bef8259bae2763ccba022f906f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b131c1742615bfac9cc1ab8f043fc902.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/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/86bfcaa345e4aba122f007bd966ac2f7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知曲线
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71dfa562fe8529f0f92673c2864d3c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-05-22更新
|
1551次组卷
|
7卷引用:广西桂林市国龙外国语中学2022届高三10月月考数学试题
解题方法
3 . 在直角坐标系
中,曲线
(
为参数,
)其中
,在以
为极点,
轴正半轴为极轴的极坐标系中,曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a0e4124d4d6696fd068c990536f2f7.png)
(1)求曲线
的极坐标方程;
(2)若
与
相交于点
,
与
相交于点
,求
的最大值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fc6a3cb8bb9c7624228a71f8495925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823ab696d27d40920c39b8c910789380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c516619a5b3c6676e6734efa754e5d.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/46a0e4124d4d6696fd068c990536f2f7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
名校
4 . 在平面直角坐标系中,已知曲线
的参数方程为
(
为参数),以原点为极点,
轴的非负半轴为极轴建立极坐标系.
(1)求曲线
的极坐标方程;
(2)过点
倾斜角为
的直线
与曲线
交于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d259d7eb1820afb827b320532866e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4c5016bd1fc6582078299b9cf8b392.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/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566911e63c824f77a97fef44cb89d3d0.png)
您最近一年使用:0次
2019-05-12更新
|
847次组卷
|
7卷引用:【市级联考】广西桂林市、崇左市2019届高三下学期二模联考数学(理)试题
名校
5 . 选修4-4:坐标系与参数方程
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)求曲线
的直角坐标方程;
(2)已知点
,直线
与曲线
交于
两点,且
,求
的值.
已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e5eb18ed7d360a23c9b4a724c9cb04.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/fa11025aae54916c7802ef793ee46ccc.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79f49a85a44ca8c61341e913341f7c2.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b61059ab1dd9b3655a18fb033d9820f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-03-12更新
|
902次组卷
|
4卷引用:【市级联考】广西桂林市,贺州市,崇左市2019年高三下学期3月联合调研考试数学(理)试题
名校
6 . 在直角坐标系
中,圆
的参数方程为
(
参数),以
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
.
(1)求
的极坐标方程;
(2)若射线
与圆
的交点为
,与直线
的交点为
,求
的取值范围.
![](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/d52417e7f7ac19fde3e121946fe6070e.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3096953cfb6227ff77a033de3b5405b7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91e2ea67c8ed3273758c4f6f15a09dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db36b4497b911bc047253b832ae01c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bab77b1212086d7b16e288f73a09560.png)
您最近一年使用:0次
2017-11-12更新
|
1421次组卷
|
14卷引用:广西桂林市第十八中学2018届高三上学期第三次月考数学(理)试题
广西桂林市第十八中学2018届高三上学期第三次月考数学(理)试题广西桂林市第十八中学2018届高三上学期第三次月考数学(文)试题四川省成都市第七中学2017届高三6月1日高考热身考试数学(文)试题四川省成都市第七中学2017届高三6月1日高考热身考试数学(理)试题四川省成都市第七中学2017届高三6月1日高考热身考试文科数学试题(已下线)2018年12月22日 《每日一题》高考文数一轮复习-周末培优(已下线)2018年12月22日 《每日一题》高考理数一轮复习-周末培优(已下线)2019年12月21日《每日一题》一轮复习文数-周末培优(已下线)2019年12月21日《每日一题》一轮复习理数-周末培优四川省成都七中2019-2020学年高三上学期入学数学(理)试题重庆市第十一中学2020届高三下学期6月月考数学(理)试题四川省达州外国语学校2022-2023学年高三上学期10月月考数学(理科)试题河南省实验中学2023届高三文科数学全真模拟一试题文科数学-【名校面对面】河南省三甲名校2023届高三校内模拟试题(五)
名校
7 . 在直角坐标系
中,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
,
(1)将
的极坐标方程化为直角坐标方程;
(2)设
点的直角坐标为
,
为
上的动点,点
满足
,写出
的轨迹
的参数方程,判断
与
是否有公共点.
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2599c2c6295c4416838931603ca1f6f3.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcabe99e81e2cc46dfcdcada03463a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
您最近一年使用:0次
2013·辽宁沈阳·一模
名校
解题方法
8 . 已知极坐标系的极点在直角坐标系的原点处,极轴与
轴非负半轴重合,直线
的参数方程为:
为参数),曲线
的极坐标方程为:
.
(1)写出曲线
的直角坐标方程和直线
的普通方程;
(2)设直线
与曲线
相交于
两点,求
的值.
![](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/e54655a6e1789716620e602a6cc9daf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.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/d44e8bc37ed03f44470762748a8f942a.png)
您最近一年使用:0次
2016-12-02更新
|
2129次组卷
|
10卷引用:广西兴安县第二中学2022届高三上学期12月月考数学(文)试题
广西兴安县第二中学2022届高三上学期12月月考数学(文)试题广西兴安县第二中学2022届高三上学期12月月考数学(理)试题(已下线)2013届辽宁省沈阳市第二十中学高三高考领航考试(四)文科数学试卷(已下线)2013-2014年吉林省长春市十一中高二下学期期末考试理科数学试卷(已下线)2013-2014年吉林省长春市十一中高二下学期期末考试文科数学试卷2017届河北衡水中学高三摸底联考(全国卷)数学(理)试卷2017届河北衡水中学高三摸底联考(全国卷)数学(文)试卷2017届江西省上饶市高三第一次模拟考试文数试卷1江西省吉安市新干县第二中学2018届高三上学期第一次月考(文)数学试题江西省宜春市丰城中学2023届高三上学期入学考试数学(文)试题
名校
9 . 在平面直角坐标系
中,曲线
:
,曲线
:
(
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)求曲线
,
的极坐标方程;
(2)曲线
:
(
为参数,
,
),分别交
,
于
,
两点,当
取何值时,
取得最大值.
![](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/aa59d9aa0b6845adbaf601f942a32e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7034b0016e917518d0bc6d25eedca51b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadd634077778c9db49c6082de3af072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553c225e9d2342c2d7d9c70a7d18b5c2.png)
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10 . 已知曲线
的普通坐标方程为
,曲线
的参数方程为
(
为参数).
(1)求曲线
为极坐标方程,
的普通方程;
(2)设曲线
与
轴的一个交点的坐标为
,经过点
作曲线
的切线
,求切线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38498095f8db1e2e4f3b430629fd095f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13987334ab479085dc8939bebe942850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bfec4efcc9f0e656d6864daaaef55d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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