解题方法
1 . 参数方程
,(
为参数)化成普通方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf52c21a859fb40526f5fcf6db43ad6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2021-07-29更新
|
239次组卷
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2卷引用:黑龙江省嫩江市第一中学校等五校2020-2021学年高二下学期期末考试数学(文)试题
名校
2 . 过椭圆
:
(
为参数)的右焦点
作直线
:交
于
,
两点,
,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db432df2bb32a3316c77d82207bb7221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](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/c5236e1aa4052752a69fedb995ac5024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e251089b7f774df5a36ad40254588ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e62ba44cbfec6823ebc1f0c7457fb.png)
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2020-05-18更新
|
262次组卷
|
5卷引用:黑龙江大庆实验中学2019-2020学年下学期实验三部期中考试高二数学理科试题
3 . 在平面直角坐标系
中,圆
的参数方程为
(
为参数),以
为极点,
轴的非负半轴为极轴建立极坐标系.
(1)写出圆
的普通方程__________________ ;
(2)直线
的极坐标方程为
,射线
与圆
的交点为
,
两点,与直线
的交点为
,则线段
的长为_______________ .
![](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/47ba3e8d7ff1ee57a7a935ff75caddd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)写出圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d35a3b888b1c4880a4347adfad2f689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6b1499efaa11a1152b86fe996f032e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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名校
4 . 在直角坐标系xOy中,以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,已知抛物线参数方程为
为参数
焦点为F,直线l的极坐标方程为
,则点F到直线l的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b960440344d578c673fd15200497af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9775817c62d2fb3e05d488a3aa7a32fa.png)
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2018-12-11更新
|
494次组卷
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2卷引用:黑龙江省齐齐哈尔市第八中学2018-2019学年高二上学期期末考试数学(文)试题
5 . 在直角坐标系
中,若直线
(
为参数)过椭圆
(
为参数)的左顶点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5380e79d17f3e6493517b0a80f19aef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc97e3f8305c2be34f8029a7103b769f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2018-06-01更新
|
244次组卷
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5卷引用:黑吉两省十校2020-2021学年高二(上)期中数学(理科)试题
11-12高二下·陕西渭南·阶段练习
解题方法
6 . 直线
(t为参数)上与点
距离等于
的点的坐标是_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3375a0d6688842d578775f104539ad1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bcc512ec11bf8f6e0f42977dec712c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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