已知
,
均为锐角,且
,
是方程
的两根.
(1)求
的值;
(2)若
,求
与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f35152720e43c6403d43bef47c0377d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b490251771387215bb9a184ded06fed1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673f7e66c2a252da4c77c70d90c8cec.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90df641ab645927ee577e79faf18dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41fa96d7c57ff7bf2560b2bd4f8069b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290ed4c341f6a1dd1006aa752a3223d1.png)
更新时间:2022-01-24 20:57:31
|
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7ae2cdce39d8ecb11fda2306edf688.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2617bb1f8a9a091ce2c35872295e3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfea1e888676a13ad69c72fba0405ea.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
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