1 . 已知
,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0432cde4d87d8d6607b618044b03df7.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbba5f29dde0a80e848546fd3426382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0432cde4d87d8d6607b618044b03df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
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解题方法
2 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3343634b63ddccfdde2065ee5e7ad9.png)
A.![]() ![]() |
B.![]() |
C.当![]() ![]() |
D.![]() ![]() |
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3 . 设
.
(1)求函数
的最小正周期与值域.
(2)设
的内角
,
,
的对边分别为
,
,
.
为锐角.
,
,且
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba2bb02d0eaf91fcaac918f978ea0b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9633cd8dd12dd6abf50f8b738f071aea.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3c28e2fc237e76e757b8a82c619802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2018-05-19更新
|
772次组卷
|
4卷引用:海南省海口市第一中学2019-2020学年高二9月月考数学(B卷)试题
名校
解题方法
4 . 设
,若
对一切
恒成立,给出以下结论,其中正确结论的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2f5db088e5e2b2f98a678ff7dee2bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091a838285cc53b17f48b5bac5f65604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
A.![]() | B.![]() ![]() |
C.![]() | D.函数![]() |
您最近一年使用:0次
解题方法
5 . 已知
,则
的最小正周期和一个单调增区间分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bf82d9c7b4fede96130ad9732fb2a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
6 . 设函数
.
(1)求函数
在
的单调递增区间.
(2)若函数
,
在区间
上的无零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa9df98e743d4b5813042d0ec6b2509.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b4d2cdbc9e45cbc12c47747e6f5314.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3febbe3b3770842cea4415181d8d1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-03-20更新
|
269次组卷
|
2卷引用:2019届海南省华侨中学高三第四次月考数学(理)试题
7 . 已知函数
满足
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58f4c5fcd859f3a4c0649855f85e131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.-3 | B.-2 | C.![]() | D.![]() |
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解题方法
8 . 已知函数
.
(1)求函数
的最小正周期;
(2)求
在
上的最大值和最小值,并求出取得最值时x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a4858ce231e6e1bb02076512f6ff072.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
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9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66abe5c5d5b44972f131a5e69b6e6b7.png)
(1)求它的最小正周期和单调递增区间;
(2)若
,求此函数的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66abe5c5d5b44972f131a5e69b6e6b7.png)
(1)求它的最小正周期和单调递增区间;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f38ab1d9d49cc85d21551b7bcd6daf5.png)
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名校
解题方法
10 . 已知函数
的图象与直线
在
轴的右侧交点按横坐标由小到大的顺序记为
,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d1331a6148878545eb213172352e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb70fdf064b9193e506ca43f4672af56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ce8c07e34224e2d25130ed27c9a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88dc8197893ebb301210b4291fdbbbf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次