圆C:
,过点
向圆C引两切线,A, B为切点,
(1)求切线的方程:
(2)求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b951fae70c2b497d795fb126e102cdcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4007d7236de583d0dff558641240992.png)
(1)求切线的方程:
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a33e5d0dbdd0f15854f0d7dd8b53058.png)
更新时间:2022-10-11 21:11:22
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