名校
1 . 已知曲线C的极坐标方程为
,A,B是曲线C上不同的两点,且
,其中O为极点.
(1)求曲线C的直角坐标方程;
(2)求点B的极径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293bcfd0679b28bea188755ae9c10d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f375e6d640ae99446982f05221810ce3.png)
(1)求曲线C的直角坐标方程;
(2)求点B的极径.
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4卷引用:四川省成都市第七中学2022-2023学年高二下学期期中考试数学(理)试题
2 . 在平面直角坐标系
中,直线l的参数方程为
(其中t为参数),以坐标原点为极点,x轴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)设直线l与曲线C交于A,B两点,点P是曲线C上的一动点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29100a7ba5b303262e5543acf8181248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cda90ec15c07139032c7fed43bcc385.png)
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)设直线l与曲线C交于A,B两点,点P是曲线C上的一动点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
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2023-04-22更新
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2卷引用:江西省名校协作体2023届高三二轮复习联考(二)(期中)数学(文)试题
3 . 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,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)求曲线
和直线
的普通方程;
(2)若
为曲线
上一动点,求
到
距离的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b296bba61afa5a9a0e66a7ba883e6cb.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51778a99314704f7a137b7c7e3031eaa.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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3卷引用:四川省阆中中学校2022-2023学年高三下学期4月月考数学(文)试题
名校
解题方法
4 . 杭州2022年第19届亚运会(The 19th Asian Games Hangzhou 2022),简称“杭州2022年亚运会”,将在中国浙江杭州举行,原定于2022年9月10日至25日举办;2022年7月19日亚洲奥林匹克理事会宣布将于2023年9月23日至10月8日举办,赛事名称和标识保持不变。某高中体育爱好者为纪念在我国举办的第三次亚运会,借四叶草具有幸福幸运的象征意义,准备设计一枚四叶草徽章捐献给亚运会。如图,在极坐标系Ox中,方程
表示的图形为“四叶草”对应的曲线C.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/16/fcd7540b-4d08-426f-8d38-c9b1f3aec7aa.png?resizew=166)
(1)设直线l:
与C交于异于O的两点A、B,求线段AB的长;
(2)设P和Q是C上的两点,且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46f514e6bb42182699a0984eac19e81.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/16/fcd7540b-4d08-426f-8d38-c9b1f3aec7aa.png?resizew=166)
(1)设直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b4834227ae67d63cf11c6b7cd62a98b.png)
(2)设P和Q是C上的两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a3d200ed5c85cda5b72318db65d4bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb5e43e026ddf27fa210372532abb8d6.png)
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8卷引用:江西省五市九校协作体2023届高三第二次联考数学(文)试题
5 . 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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名校
6 . 在直角坐标系
中,曲线M的方程为
,曲线N的方程为
,以坐标原点O为极点,x轴的正半轴为极轴,建立极坐标系.
(1)求曲线M,N的极坐标方程;
(2)若射线
与曲线M交于点A(异于极点),与曲线N交于点B,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32285bed39ecfeb20c074ecea537f4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872be4645b9ccafc2744f8c822d17005.png)
(1)求曲线M,N的极坐标方程;
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5817a03e71058e5fa5c1d9218f230e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967c2e87f1fa1b9250fc06144597da15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
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陕西省榆林市2023届高三三模理科数学试题陕西省榆林市2023届高三三模文科数学试题甘肃省白银市靖远县2023届高三下学期第二次联考文科数学试题甘肃省白银市靖远县2023届高三下学期第二次联考理科数学试题(已下线)数学(全国乙卷文科)四川省绵阳南山中学2023届高三下学期高考热身考试数学(文)试题宁夏回族自治区银川一中2022-2023学年高二下学期期末考试数学(理)试题四川省南充市嘉陵第一中学2022-2023学年高二下学期期中理科数学试题四川省南充市嘉陵第一中学2022-2023学年高二下学期期中文科数学试题四川省绵阳南山中学实验学校2023-2024学年高三上学期10月月考(一诊模拟)理科数学试题宁夏银川市育才中学2024届高三上学期第三次月考数学(理)试题
名校
7 . 若曲线
的极坐标方程为
,以极点为坐标原点,极轴为
轴的正半轴建立直角坐标系.
(1)求曲线
的直角坐标方程;
(2)若直线
与曲线
交于
两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45d1bff285b23d99db3225541823be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e569a4f6636abd64a8b95c9b035aa8.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/3f4dfec890cdfdda355e19463f3be813.png)
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2023-04-08更新
|
522次组卷
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2卷引用:四川省南充高级中学2022-2023学年高二下学期第一次月考数学(理科)试题
8 . 在直角坐标系
中,直线
的参数方程
(
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
是以
为圆心,且过点
的圆.
(1)求曲线
的极坐标方程与直线
的普通方程;
(2)直线
过点
且与曲线
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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1aa2d03509639e951f369ed4446382f.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/bace556de6191e2e3277f7772f7c3947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0cd82273cd5634021cc112e4a4d15f6.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a430c41f782c5c12f68a49c5d0cb1ee2.png)
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2023-04-04更新
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1257次组卷
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5卷引用:宁夏银川市2023届高三教学质量检测数学(文)试题
9 . 在直角坐标系
中,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
.
(1)求曲线
的直角坐标方程;
(2)已知直线
过点
,
与曲线
交于
,
两点,
为弦
的中点,且
,求
的斜率.
![](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/13473082492eb7ad9411b2664fa9746b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d241752eac7a83b96fb583ee141368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023-03-26更新
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3卷引用:四川省宜宾市2023届高三下学期第二次诊断性测试理科数学试题
名校
解题方法
10 . 在直角坐标系
中,曲线
的参数方程为
(
为参数).在以坐标原点为极点,
轴正半轴为极轴的极坐标系中,曲线
与极轴相交于
,
两点.
(1)求曲线
的极坐标方程及点
的极坐标;
(2)若直线
的极坐标方程为
,曲线
与直线
相交于
,
两点,求
的面积.
![](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/386a6b0b863daef453d6765b5149b1b9.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821825409a6b05b17761f488bad65850.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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2023-03-25更新
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6卷引用:陕西省部分名校2023届高三下学期高考仿真模拟文科数学试题