1 . 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.
(1)求
的极坐标方程;
(2)已知射线
和
分别与
交于点
(异于点
),
与极轴交于点
(异于点
),求四边形
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/8197862d0bd8aa00a374247a06d06225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5996465a0ead1136a17f5ad1e19936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fab751c05d99356302a73be9a53d8d.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/1dde8112e8eb968fd042418dd632759e.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81ebc900adaa9a2d02722c8528ac585.png)
您最近一年使用:0次
2023-04-04更新
|
537次组卷
|
2卷引用:甘肃省张掖市某重点校2022-2023学年高三下学期3月月考数学(文)试题
名校
2 . 在平面直角坐标系xOy中,以坐标原点O为极点,x轴正半轴为极轴,建立极坐标系,已知直线l的参数方程为
(t为参数),曲线
的极坐标方程为
.
(1)求曲线
的直角坐标方程,并指出该曲线是什么曲线;
(2)若直线l与曲线
的交点分别为M,N,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0897fe6d67bd179b1225e85401cb1530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05c0582d65c8fb795a10588b3bfc219d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线l与曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
您最近一年使用:0次
名校
3 . 在直角坐标系xOy中,曲线
的参数方程为:
(t为参数),以坐标原点O为极点,x轴的非负半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的极坐标方程和曲线
的直角坐标方程;
(2)在极坐标系中,射线
与曲线
交于点A,射线
与曲线
交于点B,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627e0103d868dfe70904dc4a4fc0be06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d16704bd673e593ff604d1f11cc1f45.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)在极坐标系中,射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8318335631e763d1595239b194ef740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3885a9129c24ed14cebd02f17cd1aa13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
2022-06-14更新
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870次组卷
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9卷引用:甘肃省张掖市某重点校2022-2023学年高三下学期3月月考数学(理)试题
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