已知O为坐标原点,直线
,圆
.
(1)若l的倾斜角为
,求a.
(2)若l与直线
的倾斜角互补,求直线l上的点到圆O上的点的最小距离.
(3)求点O到l的最大距离及此时a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae0d6217afce6c76fecdaa9ed19d8a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
(1)若l的倾斜角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
(2)若l与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd635716aeb1ef512474f594512c2be1.png)
(3)求点O到l的最大距离及此时a的值.
更新时间:2022-11-14 14:21:36
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