1 . 在极坐标系中,分别作出下列各点,并说明这些点有什么关系?
(1)
、
、
、
、
;
(2)
、
、
、
、
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26b6ea70eebe4b44915dfad6ddd5c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0afd749269a8021d17a0ea5fbbab0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed038f262b190896377860da3826fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0af7c7ee940ad355c24b21749dcf0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c90873031ebc847195d0ea8e1f4e57.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92e4d44c7391872cf29cc706168f86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f92078c945d62f2ab38f82abb2b4fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef18b36f7ef0651860ca0b67b2eb5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112327cf24331337b8021f5351e11847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff82b208f7bbb9ec3443097b8c290998.png)
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2 . 在极坐标系中,动点
从
出发,沿极轴
方向做匀速直线运动,速度为
,同时极轴
绕极点
按逆时针方向做等角速度旋转,角速度为
.则动点
的极坐标方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f50eb5fca7d0cd367d616742161a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d789eb81c3f3e241ba54e003f1659fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d99ef937823db2d4d3b1ae5af609eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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3 . 下列方程可以作为x轴的参数方程的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 写出一个与
表示极坐标系中同一个点的极坐标______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a3ee61d0d7d3df4807a9691f203e48.png)
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