在直角坐标系
中,已知曲线
的参数方程为
为参数,
;现以原点为极点,
轴的非负半轴为极轴建立极坐标系,曲线
的方程为
,
(1)求曲线
的极坐标方程;
(2)设
和
的交点为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4907da6f8f33b7ed2a8214addf3dc902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13d1336497f5ac7874c58c83a5aa119d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad87fa70b674fc09f527138c95f8c33c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b054c6c06ef935c47fb502db8eaab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3e17ed7597f141bb64b74c22ba112a.png)
更新时间:2018-03-26 16:10:54
|
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【推荐1】在平面直角坐标系xOy中,曲线C的参数方程为
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【推荐2】在平面直角坐标系
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce34bce9e00c037530ea3ae68ba99eac.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b9c24ea0297a2516f54e2370cca0c2.png)
(1)求曲线C的直角坐标方程和直线l的普通方程;
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【推荐1】在直角坐标系xOy中,圆C1和C2的参数方程分别是
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![](https://img.xkw.com/dksih/QBM/2016/9/18/1573029659099136/1573029664497664/STEM/f4bfb56686c54d039e523a4487b5d07a.png?resizew=92)
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】已知在平面直角坐标系
中,
曲线
(
为参数),
(
为参数),以原点
为极点,
轴的正半轴为极轴建立极坐标系,曲线
(
且
).
(1)求
与
的极坐标方程;
(2)若
与
相交于点
,
与
相交于点
,当
为何值时,
最大,并求最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f828759d4d1470c199561aa5fa60858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374059dd9b18a421f037ecd5b9c3600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/4ef0a8e780ed0833395df910eab1746d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2e40c1f1ff5e667d044767de627fff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4249ba83b53cf45d7ef93d6e9677aee.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4438bae1705c0f26beddf41322c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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