1 . 已知圆的渐开线的一部分的参数方程为
(
为参数,
),点
是此部分渐开线上一点,则渐开线对应的基圆的周长是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfe05fcd6a6df76639499368ed4891e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5a1accf210ced0ba73238595e770ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31ecb30e3cb9498d2c9ba69feffbd1c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 摆线
(
为参数,
)与直线
的交点的直角坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3007820673ea8d6c54638ee2012c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f52f077d2eed7ebe17d1574c045662a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2019-07-04更新
|
190次组卷
|
2卷引用:人教A版 全能练习 选修4-4 第二讲 第四章 1.渐开线2.摆线