已知函数
.
(1)若
,
,求
的值;
(2)在锐角△
中,
、
、
分别是角
、
、
的对边,若
,
,△
的面积
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938d49fe0e5fef7dbd525cbcb0bbc90d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1ad19fc6e85619d2ca54b37e200bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30936ebddaa26bcd0d0242c673283e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)在锐角△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10d243584988cafa7e80ac9c9da0d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a91b9b3cfe2e5504238b8b7eeea7cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
21-22高三下·上海浦东新·开学考试 查看更多[3]
更新时间:2022-02-23 16:20:37
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