名校
1 . 已知单位向量
的夹角为
,设
,
,则
与
夹角大小为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42503437fb44722722cd20835f11d233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a3a2afa12f81952a3a5a9e287773c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f949d0598766b88a774da1ce4ea246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
您最近一年使用:0次
2017-09-02更新
|
451次组卷
|
2卷引用:浙江省丽水市2017届高三下学期质量水平测试数学试题
2 . 已知
,则函数
的最小正周期为__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dac402563bfae43094315487a0d2000.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca26d7dac38b616203456afcaac690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dac402563bfae43094315487a0d2000.png)
您最近一年使用:0次
3 . 要得到函数
的图像,只需将函数
的图像
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062b8a37477e7dc326df0d5d586a6a2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09764599d150f20f04687d2123b70b30.png)
A.向左平移![]() | B.向右平移![]() |
C.向右平移![]() | D.向左平移![]() |
您最近一年使用:0次