在
中,
,点D在BC边上,
,
为锐角.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/402d1134-3ae2-4152-adad-bdcb293232d3.png?resizew=137)
(1)求BD;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074b95cc6023f70fca8db45140a67521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a0a0dba9f1acae1f731a95a02f0c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868ff1350bd72625328c85c3097cd85e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/402d1134-3ae2-4152-adad-bdcb293232d3.png?resizew=137)
(1)求BD;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cade3f0bf51a577876dc2e345fbf33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
22-23高三上·广东广州·阶段练习 查看更多[2]
更新时间:2022-12-07 17:48:04
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【推荐2】(1)已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263a246e3eaf8087433689aee5e55675.png)
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【推荐1】在
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