解题方法
1 . 已知函数
.
(1)求函数
的最小正周期;
(2)若
是奇函数,求函数
在区间
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27819bb7f9f77ee013590e02bc735a7a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ffbe6969536079711f6c396c8efa12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a52298e06894173520ca36a565bef5.png)
您最近一年使用:0次
名校
2 . 已知函数
.
(1)求
的最小正周期和最大值;
(2)将
的函数图像向左平移![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
个单位后得到的函数
是偶函数,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c88a9bb0904f83629fba37e15c54fc0d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7068b5bdca8d8a01c313287420dfd83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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2020-01-16更新
|
953次组卷
|
4卷引用:重庆市七校(渝北中学、求精中学)2019-2020学年高一上学期期末联考数学试题
名校
3 . 设函数
.
(I)求
的最小正周期
;
(Ⅱ)求
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfb4d8a0880580e726b69712cdea911.png)
(I)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb14ba899bc3eab9a0eba645245496a.png)
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2019-07-26更新
|
1099次组卷
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5卷引用:【全国市级联考】浙江省杭州市2018-2019学年高二下学期期末考试数学试题
名校
4 . 已知函数
的最小正周期为
.
(1)求函数
的解析式;
(2)当
时,求
的值域.
(3)将函数
的图象向左平移
个单位后得到函数
的图象,且
为偶函数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0424105734bd4d517f22a8929f79f85f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be003fc6cda644dacbad0d853ea243a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509a18da65126685f39a9c38a2e740ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4e318eba446aef74e47ff27fda7bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4e318eba446aef74e47ff27fda7bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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2019-02-03更新
|
1172次组卷
|
3卷引用:【市级联考】福建省三明市2018-2019学年高一上学期期末质量检测数学试题
21-22高一·湖南·课后作业
解题方法
5 . 下列函数中,哪些是奇函数,哪些是偶函数?
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a6419721325945caf03e0c172b23b3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b168eaaae08a99afcd8ba6664a730a4.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f28dd7db7677e0d34d05263d31c74b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802ac9e74e56ad33f963f959137f11a0.png)
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6 . 已知函数
的最小正周期为
,且当
时,
取得最大值
.
(1)求
的解析式及单调增区间;
(2)若
,且
,求
;
(3)将函数
的图象向右平移
(
)个单位长度后得到函数
是偶函数,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a64f40cd8b6c68302238eb4f555bdd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce5a1ade70877a432c99cdb17c462e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e689185a1e19db18def411fa95905d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
7 . 已知函数
和锐角三角形
.
(1)若
为奇函数,求角
的大小;
(2)在(1)的前提下,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/796afa7d9561315cd376faf816497fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4454221d18b742da66979e60f42e18d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)在(1)的前提下,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2b9f4a56eddb8729daedaa14205852.png)
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2020-02-28更新
|
432次组卷
|
3卷引用:2018届上海市上海交大附中高三下学期模拟卷(一)数学试题
8 . 已知函数
(其中
)为偶函数.
(1)求
的值;
(2)设函数
,求函数
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3d6a2631ac9b828dff8a3ab535a05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6af3e2115ce0aaf5b99ac70c4441d1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68706901260f64a6b196ddb88b8e2071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
解题方法
9 . 设函数
.
(1)请指出函数
的定义域、周期性和奇偶性;(不必证明)
(2)请以正弦函数
的性质为依据,并运用函数的单调性定义证明:
在区间
上单调递减.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daacc8e661b6cac1d38e42eb2d0ae488.png)
(1)请指出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)请以正弦函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f00f2f6ab162f9333ec55db195d663b.png)
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2019-07-09更新
|
348次组卷
|
3卷引用:上海市静安区2018-2019学年高一第二学期期末教学质量检测数学试题
10 . (1)函数
,已知
,函数
是偶函数,求
的值;
(2)函数
(
)的最大值是
,最小值是
,求函数
的最小正周期.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687593cb4ecef31667bf2320fdfe000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bd73cec86ac5fec7ed27f7ad279c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f967cd06061be2540a4d70efeb3a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69d9c8bb4ee13e775e9a69b48f2cf33.png)
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