名校
1 . 在
中,角
,
,
的对边分别为
,
,
,已知向量
,
,且满足:
.
(Ⅰ)求
的值;
(Ⅱ)若
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/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/80e1a4378a9cb8c26ee6cb6bae3652ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b0814fa0cf7e7af506b14207074723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401078c16ea92130b47f728bea699c62.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1892446e9f5c057a6d72a64065d01ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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2020-01-31更新
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4卷引用:四川省内江市威远中学校2022-2023学年高三上学期第三次月考数学(文)试题