名校
1 . 在平面直角坐标系中,已知曲线
(
为参数),圆
.以原点
为极点,
轴的非负半轴为极轴建立极坐标系.
(1)写出曲线
与圆
的极坐标方程;
(2)在极坐标系中,已知射线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc35770ab113e9d9ce8f8fc53c3271e9.png)
与曲线
相交于
,与圆
相交于
(异于原点
),当
时,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac6d898fb2168cdeee73b5f76dec747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd50ea10c86fab3d716156096cbc156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)在极坐标系中,已知射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc35770ab113e9d9ce8f8fc53c3271e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccd5ff210fa0216cc381c80acf61d11.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee061fe1cd12ac2f0ecfe16a132d5449.png)
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2020-02-21更新
|
675次组卷
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6卷引用:安徽省泗县第一中学2019届高三高考最后一模数学(文)试题