若函数
的部分图象如图所示,
,
为图象上的两个顶点.设
,其中O为坐标原点,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ec89cdeadb8f524fa0aa01e8dc8348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea805a29a745227697f6dce0612839b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36aabb26cfab8ddbe8a603588f318630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80863901d65e6149e741129307540a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34281318027f1d9d7cffd42d2cca8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535985e010ead3a3e89319d76a7eb0a7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·河北邯郸·模拟预测 查看更多[3]
更新时间:2024-06-04 23:41:56
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【推荐1】已知函数
的部分图象如图所示,则下列关于函数
的说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/c04f644e-4519-4970-b73e-0487c5697f9f.png?resizew=181)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8741e4b4fd0074382b01c3e0f8f7960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/c04f644e-4519-4970-b73e-0487c5697f9f.png?resizew=181)
A.最小正周期为![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】已知函数
的图象如图所示.则
( )
![](https://img.xkw.com/dksih/QBM/2022/5/30/2990814569807872/2991817144811520/STEM/06752aca-622a-4a4c-8b97-77b7142d48a9.png?resizew=137)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd6a26006db9664715251ab13cdbb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a677a257e2a7eaecaf70d424d127c6.png)
![](https://img.xkw.com/dksih/QBM/2022/5/30/2990814569807872/2991817144811520/STEM/06752aca-622a-4a4c-8b97-77b7142d48a9.png?resizew=137)
A.0 | B.![]() | C.![]() | D.![]() |
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【推荐1】△ABC的内角A,B,C的对边分别为a,b,c,已知
,
,则c=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb3d4f85178f94339f829c7e60772c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
A.4 | B.6 | C.![]() | D.![]() |
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【推荐2】已知
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292f8c3d4a551fcbf970a0876e914de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a083d96e11603ef1d306cb06df470fba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐3】已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f55b8836b41be612a52ca9caf97006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75f3e3dc5a95d242c524982d00d3fb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b5b19809a79e198b128281d5b01490.png)
与
的夹角是
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b5b19809a79e198b128281d5b01490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec655f610928ca21831e26645a21e99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.-![]() | B.-3 |
C.-3或-![]() | D.-1 |
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【推荐2】设
,向量
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d33288845b41e179c64715adb92d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272ef54b04d41a9502a08270ecba3ae1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次