已知
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ceb9587a1a024cfb31d75122a273fa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
21-22高一下·上海浦东新·期末 查看更多[2]
更新时间:2022-12-11 22:38:19
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【知识点】 正、余弦齐次式的计算解读
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单选题
|
较易
(0.85)
名校
解题方法
【推荐1】已知角
,
满足
,
,则
( ).
![](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/5d59142ab797807e560fe8adf63e6ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3107f89691ae146c946b42893f15b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b1029ae8e4120c872408387aea94a3.png)
A.![]() | B.![]() | C.1 | D.2 |
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