名校
解题方法
1 . 已知曲线
的极坐标方程是
.以极点为平面直角坐标系的原点,极轴为
轴的正半轴,建立平面直角坐标系,直线
的参数方程是
为参数).
(1)将曲线
的极坐标方程化为直角坐标方程;
(2)若直线
与曲线
相交于
、
两点,且
,求直线的倾斜角
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.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/250d063a31d3ef052d92babc86a84fa6.png)
(1)将曲线
![](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/7c26f6a4f54571926cf90fc582ae634d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2020-02-25更新
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332次组卷
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6卷引用:专题22 坐标系与参数方程-《巅峰冲刺2020年高考之二轮专项提升》[江苏]
专题22 坐标系与参数方程-《巅峰冲刺2020年高考之二轮专项提升》[江苏]【全国百强校】宁夏石嘴山市第三中学2017-2018学年高二下学期期末考试数学(理)试题安徽省蚌埠市第一中学2019届高三上学期期中考试数学(文)试题【校级联考】福建省“永安一中、德化一中、漳平一中”2019届高三上学期12月三校联考数学(文)试题山东省滨州市邹平一中2018-2019学年高一下学期3月月考数学试题(已下线)专题11-1 参数方程与极坐标大题15种归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)
2 . 在极坐标系中,已知圆
经过点
,圆心为直线
与极轴的交点,求圆
的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5773e99f4804a2ef0a9ebf968f35396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21a48b1a9131e1305677fce3a85e4c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
3 . 以坐标原点为极点,
轴的正半轴为极轴,且在两种坐标系中取相同的长度单位,建立极坐标系,判断直线
为参数)与圆
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e2808102a2c71234e30582e183d22c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed21d7f9a4853315fd60b6e9a6837294.png)
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2020-02-25更新
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8卷引用:江苏省淮安市等四市2018届高三上学期第一次模拟数学试题
名校
解题方法
4 . 在直角坐标系
中,直线
的参数方程是:
是参数,
是常数).以
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)求直线
的普通方程和曲线
的直角坐标方程;
(2)若直线
与曲线
相交于
,
两点,且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b83875093f338824cd6b7e6c0d20ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/3cda90ec15c07139032c7fed43bcc385.png)
(1)求直线
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27be5042fd53f0c2993147f412660c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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357次组卷
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6卷引用:江苏省扬州市2017-2018学年度第一学期期末调研测试高三数学试题
解题方法
5 . 在平面直角坐标系
中,直线
的参数方程为
为参数),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
,若直线
与曲线
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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93778619688067adf964f3e8a8bae1b.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/85a7b005267ae3fbaea81656fe9e0df6.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/9fd2981bf2261343f905ec1b5355a3c4.png)
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6 . 在平面直角坐标系
中,直线
的参数方程是
是参数),以原点为极点,
轴的正半轴为极轴建立极坐标系,若圆
的极坐标方程是
,且直线
与圆
相交,求实数
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/3a2871678254c7b39d4c9da2a3d6341a.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/69cf89e94eb51129f144d9809ec290f7.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/294f5ba74cdf695fc9a8a8e52f421328.png)
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4卷引用:江苏省无锡市2018届高三第一学期期末检测数学试卷
解题方法
7 . 在直角坐标系
中,直线
的参数方程为
为参数).在极坐标系中(与直角坐标系
取相同的长度单位,且以原点
为极点,极轴与
轴的非负半轴重合),圆
的方程为
,求直线
被圆
截得的弦长.
![](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/2d8f46e41e5c6ce9cc4b1b2e5b5b9145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/8439058a5a4372220e92a232d9498812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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8 . 在极坐标系中,直线
与曲线
相切,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2286a65897516a8e3577fb0b927587a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9cddebe71bbdc9357551b05739ebb82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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解题方法
9 . 在极坐标系中,已知直线
与曲线
相交于
两点,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc3d1bc09bc06a43eea9b678df1542f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f61a2ca1b5de7ae32b77655647d28a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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10 . 在极坐标系中,曲线C1,C2的极坐标方程分别为ρ=-2cosθ,ρcos
=1.
(1)求曲线C1和C2的公共点的个数;
(2)过极点作动直线与曲线C2相交于点Q,在OQ上取一点P,使|OP|·|OQ|=2,求点P的轨迹,并指出轨迹是什么图形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346717eed2cca49d2c395fdc33a0ef30.png)
(1)求曲线C1和C2的公共点的个数;
(2)过极点作动直线与曲线C2相交于点Q,在OQ上取一点P,使|OP|·|OQ|=2,求点P的轨迹,并指出轨迹是什么图形.
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2020-02-25更新
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190次组卷
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6卷引用:专题11.6 参数方程与极坐标(练)-江苏版《2020年高考一轮复习讲练测》