若
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5c110f0a02f4e54e6ac95bcad9e7ab.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4234175c2f92792ab2d298d45df37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2024f720b6d912e68fe6ab164852a6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e4fc7489911b0da3cc5d7194d9c6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5c110f0a02f4e54e6ac95bcad9e7ab.png)
23-24高一上·安徽·期末 查看更多[3]
安徽省部分重点中学2023-2024学年高一上学期期末测试数学试卷(已下线)8.2.1 两角和与差的余弦-【帮课堂】(人教B版2019必修第三册)(已下线)专题04三角恒等变换期末6种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)
更新时间:2024-02-06 14:09:32
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