1 . 在平面直角坐标系xOy中,曲线C的参数方程为
(t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C的普通方程和直线
的直角坐标方程;
(2)已知点
,直线
与曲线C交于A,B两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ea3998e3a6897692d2a3f06472ee6d.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/368d43cbadc1fa39935c26105f18ae94.png)
(1)求曲线C的普通方程和直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
您最近一年使用:0次
名校
解题方法
2 . 已知曲线
(t为参数且
),直线l的极坐标方程为
.
(1)求曲线C和直线l的直角坐标方程;
(2)若P为曲线C上一点,求P到直线l距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bd7aa3f805981e1616d4d9a16820d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1c9c2c3beae525c01185e22e7ef299.png)
(1)求曲线C和直线l的直角坐标方程;
(2)若P为曲线C上一点,求P到直线l距离的最小值.
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2020-09-04更新
|
1206次组卷
|
3卷引用:湖北省武汉外国语学校2020届高三下学期高考冲刺押题联考(一)数学(理)试题
名校
解题方法
3 . 在平面直角坐标系xOy中,曲线C的参数方程为:
(t为参数),以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系,直线l的极坐标方程为:
.
(1)求曲线C的极坐标方程并指出曲线类型;
(2)若曲线C与直线l交于不同的两点M、N,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266eff22080b35b73a7da97fbc996701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3c655ec273c0f9e831b5bc9a16f8e1.png)
(1)求曲线C的极坐标方程并指出曲线类型;
(2)若曲线C与直线l交于不同的两点M、N,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee03779db8bec535bef6040936174a17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2020-09-04更新
|
209次组卷
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2卷引用:湖北省武汉外国语学校2020届高三下学期高考冲刺押题联考(一)数学(文)试题
4 . 在直角坐标系
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
与
的直角坐标方程;
(2)若直线
与曲线
交于
,
两点,点
,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/a097e912db932d654f3e7cf139a66d49.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/10e37aeca487cf5d10e203b149583e53.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c54373fa62652ad075f41280e44a81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e8b9f52929d1158454f2a0d17cab2d.png)
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2020-08-16更新
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159次组卷
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10卷引用:湖北省武汉市2020届高三下学期六月供题(二)文科数学试题
湖北省武汉市2020届高三下学期六月供题(二)文科数学试题2020届河南省新乡市高三第二次模拟数学(文科)试题2020届辽宁省抚顺市高三下学期二模考试数学(文)试题2020届辽宁省抚顺市高三二模考试数学(理)试题2020届河北省衡水中学高三下学期三模数学(文)试题内蒙古开鲁县第一中学2019-2020学年高二下学期期中考试数学(文)试题(已下线)专题22 坐标系与参数方程-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题22 坐标系与参数方程-2020年高考数学(文)母题题源解密(全国Ⅱ专版)吉林省长春市榆树市第一高级中学等校2019-2020学年高二下学期联考数学(理)试题西藏林芝市、日喀则市2021届高三下学期第一次联考数学(文)试题
5 . 已知曲线
的参数方程为
(
为参数),曲线
的参数方程为
(
为参数),以直角坐标原点
为极点,
轴的正半轴为极轴建立极坐标系.
(1)求曲线
和曲线
的的极坐标方程;
(2)射线
与曲线
和曲线
分别交于
,
,已知点
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af10516088462072981eeaf8dea7898e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77beb19da9ede8d68a938fb0b089b10f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a40d2cf43fce0c99dff3470d554eb8.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e0b4cce429003557b051ea0fa2f7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0023c9e8e0fec24d3aa77d09b2e4e62.png)
您最近一年使用:0次
6 . 在平面直角坐标系
中,已知曲线
(
为参数),
(
为参数)
(1)将
,
的参数方程化为普通方程;
(2)曲线
与
交于
,
两点,点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fac245f8bae77e404ca61dea028fb54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e45ea81e6ff617cddc15083ef49c053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)将
![](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/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/5516da98949f4528c7399e4274c34482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5157cdca523f829fb2bfdee16c6023.png)
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2020-08-06更新
|
315次组卷
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7卷引用:湖北省武汉市华中师范大学第一附属中学2020届高三下学期高考押题考试理科数学试题
7 . 在直角坐标系
中,直线
的参数方程为
(
为参数),以坐标原点为极点,
轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2175741752d3dc67656bc396ddb08b9.png)
(1)写出直线
和曲线
的普通方程:
(2)过曲线
上任一点
作与
的夹角为30°的直线,交
于点
,求
的最大值与最小值.
![](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/8236e49677a3ae6d928bdae26749a6b9.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/e2175741752d3dc67656bc396ddb08b9.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)过曲线
![](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/0f85fca60a11e1af2bf50138d0e3fe62.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/76b1113864968119e61aeee9ba9c613b.png)
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2020-07-25更新
|
326次组卷
|
3卷引用:湖北省华中师大附中2020届高三下学期高考预测联考文科数学试题
名校
解题方法
8 . 在直角坐标系xOy中,曲线C的参数方程为
(
为参数),直线
,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)求直线l和曲线C的极坐标方程;
(2)若直线
与直线l相交于点A,与曲线C相交于不同的两点M,N.求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad4c2ea2740311515f68f5b912265e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb6581336f26c8f8c81a19a240ac5d69.png)
(1)求直线l和曲线C的极坐标方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a48f4f1404932a218e6e113dc7bde3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98e9afda189bd4a1a8b77ab00541835.png)
您最近一年使用:0次
2020-07-04更新
|
257次组卷
|
3卷引用:湖北省武汉市武昌区2020届高三下学期六月适应性考试理科数学试题
9 . 在直角坐标系
中,直线
的参数方程为
(
参数,
为常数),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)求曲线
的直角坐标方程;
(2)设直线
与曲线
的交点为
,
两点,曲线
和
轴交点为
,若
面积为
,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/0c27f3e1f0c24adb48def7097ebb8c54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/9bec39a5f5021d0b06208814334e6c63.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e8016c54179f8a648d960c36217195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
您最近一年使用:0次
2020-06-03更新
|
430次组卷
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2卷引用:2020届湖北省武汉市高三下学期5月质量检测文科数学试题
名校
10 . 平面直角坐标系
中,曲线
的参数方程为
(
为参数,且
).以坐标原点O为极点,x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
的普通方程和曲线
的直角坐标方程;
(2)已知点P的极坐标为
,Q为曲线
上的动点,求
的中点M到曲线
的距离的最大值.
![](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/42551fedb6d783c05633d751883d7050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c87f4c40e50504adaface510404dbfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07cc726e0234ffeaa7e9d3d01e1f4c3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知点P的极坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e749259c8536b576febec58d2729195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
您最近一年使用:0次
2020-05-14更新
|
1204次组卷
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15卷引用:湖北省武汉市蔡甸区汉阳一中2020届高三下学期仿真模拟(一)理科数学试题
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