已知点A、B分别在反比例函数y=
(x>0),y=-
(x>0)的图象上,且OA⊥OB,则tanA的值为_____ .
![](https://img.xkw.com/dksih/QBM/2022/3/28/2945899886329856/2964351611912192/STEM/7996498f-f3f2-4132-9322-33f485f2f477.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c943d7b6ce65c70e98d62e3664168ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b7588653f727b6ff391077af2781e5.png)
![](https://img.xkw.com/dksih/QBM/2022/3/28/2945899886329856/2964351611912192/STEM/7996498f-f3f2-4132-9322-33f485f2f477.png?resizew=148)
更新时间:2022-04-23 14:11:42
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【推荐2】如图,O为矩形ABCD 的中心,将直角三角板的直角顶点与O点重合,转动三角板使两直角边始终与BC,AB相交,交点分别为M,N,如果AB=4,AD=6,OM=x,ON=y,则y与x的关系是_________ .
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