若
为锐角,且
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e762669f4c3db04e1863a653ad0f6f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b38f81d4a4e4ccdfddca695866d10a.png)
23-24高三上·陕西商洛·阶段练习 查看更多[3]
陕西省商洛市部分学校2023-2024学年高三上学期10月阶段性测试(一)文科数学试题(已下线)【第二练】5.5.1课时2 两角和与差的正切公式(已下线)考点10 两角和与差正切公式的应用 --2024届高考数学考点总动员【练】
更新时间:2023-10-04 16:08:09
|
相似题推荐
填空题-单空题
|
适中
(0.65)
【推荐1】已知α∈(0,π),且tan(
)=
,则cosα=_____ .
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572464821477376/1572464827416576/STEM/692d63e401d645caa0097f16b869a022.png?resizew=44)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572464821477376/1572464827416576/STEM/2c2b71af3a14432daa3b73e8add4ac7e.png?resizew=10)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】若正方形的一条对角线所在直线的斜率为3,则该正方形的两条邻边所在直线的斜率之和为______
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐1】已知函数
在
上有定义,若对
,都有
,则称
在
上具有性质
.给出下列四个结论:
①
在
上具有性质
;
②
在
上具有性质
;
③若函数
在
上具有性质
且在
处取得最大值
,则对
,都有
;
④若函数
在
上具有性质
,对
,都有
.
其中所有正确结论的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e649221a3752ea49fb9777965c2191ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9425f7c0d79b5de76946d89328844e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7192d87d0fa400d5d7dba57924bbbe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da34ce730f711c09909d53806fe2330a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925db96ca0f7546def751a2e47cc71b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e4ba6d5f2eea68442def1911957fe.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8cd03269fe35d21010250b73d95011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd18205b0112103443a1225ef0053e76.png)
其中所有正确结论的序号是
您最近一年使用:0次
填空题-单空题
|
适中
(0.64)
【推荐2】若对于一切实数
,不等式
恒成立,则
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b76ac24de2abd849f677327e80034e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次