名校
解题方法
1 . 已知曲线
的参数方程为
(
为参数),直线
的参数方程为
(
为参数).
(1)写出直线
与曲线
的普通方程;
(2)设曲线
经过伸缩变换
得到曲线
,过点
作倾斜角为
的直线交曲线
于
,
两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8725d4eeab5b16e517dc28c5eccac175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a68a46b070d8e2a40acb588f6d92b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2860b67e60b246ea91a835bb4d44f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ce47fde921058026708a4321a0e213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.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/7a7dbc5f85292795579155dfd3baff0e.png)
您最近一年使用:0次
2020-05-08更新
|
133次组卷
|
3卷引用:陕西省咸阳市武功县普集高级中学2022-2023学年高三上学期1月测试文科数学试题
2 . 在极坐标系中,直线
与圆C:ρ=4
求(1)写出直线
与圆C的普通方程
(2)直线被圆截得的弦长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c3517ebf619a583793f975d5f507df6.png)
求(1)写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)直线被圆截得的弦长
您最近一年使用:0次
2020-02-15更新
|
124次组卷
|
2卷引用:陕西省西安市高陵区第一中学2022-2023学年高二下学期5月期中文科数学试题