名校
解题方法
1 . 已知
,
,
,求证:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad177a4e45bcd764188e93670d4c1269.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d022fd6a16d44f53d5a7d3b821f519.png)
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2021-11-08更新
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5卷引用:云南省曲靖市罗平县第二中学2021-2022学年高一上学期第二次月考数学试题