名校
1 . 已知
,
,
是单位圆上的三点,满足
,
,且
,其中
为非零常数,则下列结论一定正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7e28d78ca0c5b32b45975f2670aed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f9b7a6bff423781c171a57f5413bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d067382a140b8d52d1967af5b5fdddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c5e7f45db09bb562de045586757e7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834cf21b61e4b3ee9aa0f847722f0104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af209071581dcebd43cf638fb8345b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.若![]() ![]() | B.若![]() ![]() |
C.![]() | D.![]() |
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2023-02-08更新
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490次组卷
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4卷引用:广东省韶关市部分学校2023届高三下学期开学考试数学试题