1 . 在平面直角坐标系
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,曲线
的直角坐标方程为
.
(1)求曲线
的普通方程和直线
的极坐标方程;
(2)射线
,
和曲线
分别交于点
,
,与直线
分别交于
,
两点,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/a0f0b3463a7e4c78dc8c16e06bbb9bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608172a5a6acb7aec81dc3791c2f287e.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/5277e54618dcf6e6dd3f50f10d653f4f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099181ee7e04c3d096c193b424abab48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e308ac24c8b0d17ccf634376c7cfea.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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2020-10-31更新
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8卷引用:广西梧州市黄埔双语实验学校2022届高三上学期期中考试数学(文)试题
广西梧州市黄埔双语实验学校2022届高三上学期期中考试数学(文)试题内蒙古赤峰市2020届高三(5月份)高考数学(理科)模拟试题(已下线)第十五单元 不等式选讲(选讲)(B卷 滚动提升检测)-2021年高考数学(理)一轮复习单元滚动双测卷(已下线)第十四单元 不等式选讲(选讲)(B卷 滚动提升检测)-2021年高考数学(文)一轮复习单元滚动双测卷河南省开封市五县部分校2021-2022学年高二下学期月考数学(文)试题四川省遂宁市射洪中学2022-2023学年高三上学期入学考试数学文试题(已下线)第01讲 极坐标与参数方程(练)陕西省渭南市集才中学老城分校2022届高三上学期期末数学(文)试题
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2 . 以平面直角坐标系
的原点为极点,
轴的正半轴为极轴,建立极坐标系,两种坐标系中取相同的长度单位,直线
的参数方程为
(
为参数),圆
的极坐标方程为
.设曲线
与直线
交于
、
两点,若
点的直角坐标为
,则
的值=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/89949a2c28c7ba56d7927c2691a02bba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634aba936c758ce83cdf43996c7ae409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7df089e093c2ed3cc61641910c7809.png)
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