1 . 下列命题中是真命题的有( )
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.在![]() ![]() ![]() |
D.对于任意实数![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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2 . 下列选项中,正确的有( )
A.设![]() ![]() ![]() ![]() |
B.若角![]() ![]() ![]() ![]() |
C.在![]() ![]() |
D.若![]() ![]() |
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2022-11-17更新
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693次组卷
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6卷引用:湖北省部分省级示范高中2022-2023学年高三上学期期中联考数学试题
3 . 若
且
,则可以记
;若
且
,则可以记
.实数
,且
,则
( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8222f6d4f2bc82054606f0d05f20ca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281c0a16f5712939a0c60e755a711066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f2a42c9ad8227eec0904b27e2240c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a461bf4e6ff8bc12fc81f0e89ee36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f008e9e83a01060c8c746796094336d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5356108a10c159f8baf03dca2157f7eb.png)
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( )
A.![]() | B.![]() | C.![]() | D.![]() |
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