把极坐标方程
化为直角坐标方程是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b143657bc47a53ffe2495e732f57ef.png)
2011高三·河北·专题练习 查看更多[1]
(已下线)新课标高三数学曲线的极坐标方程、参数方程专项训练(河北)
更新时间:2016-11-30 22:01:08
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【推荐2】两角和与差的正弦、余弦和正切公式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994d6e7f47b3b98aa848c05d0af8f65e.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69aca84fbbde185d50148e3d4ebaf591.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b729f3bcad3527fd911eb71de25a64f9.png)
________
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【推荐1】在直角坐标系
中,曲线
的方程为
,曲线
的参数方程为
(
为参数).以原点
为极点,
轴非负半轴为极轴,建立极坐标系,则曲线
与
的交点的极坐标为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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【推荐2】在极坐标系中,点
到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055a2ef09e2ee0948cf67c58de58732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c718f31d26fb76c30019dedc84bd11fc.png)
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