解题方法
1 . 已知函数
的最小正周期是
.
(1)求
的值及函数
的单调递减区间;
(2)当
时,求函数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358c07c7fa8780281c3fb18f5d22abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2020-02-24更新
|
399次组卷
|
3卷引用:浙江省丽水市2017-2018学年高一下学期期末数学试题
浙江省丽水市2017-2018学年高一下学期期末数学试题浙江省七彩阳光联盟2019-2020学年高一下学期开学考试数学试题(已下线)卷11-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(北京专用)
名校
2 . 已知函数
的最小正周期为
.将函数
的图象上各点的横坐标变为原来的
倍,纵坐标变为原来的
倍,得到函数
的图象.
(1)求
的值及函数
的解析式;
(2)求
的单调递增区间及对称中心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01d68f35bc5b39ff2e9b784b0d5f98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2019-07-25更新
|
1049次组卷
|
2卷引用:浙江省杭州市桐庐中学2020-2021学年高一下学期期末模拟数学试题
名校
3 . 已知向量
,向量
,且函数
.
(1)求函数
的单调递增区间及其对称中心;
(2)在
中,角A,B,C所对的边分别为a,b,c且角A满足
.若
,BC边上的中线长为3,求
的面积S.
(3)将函数
的图像向左平移
个长度单位,向下平移
个长度单位,再横坐标不变,纵坐标缩短为原来的
后得到函数
的图像,令函数
在
的最小值为
,求正实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0481a947938783cbabbd660c694cc20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e008ab83196f2457afadc1e3aed9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1525aee9019a25cf71dc6054ec1ce.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66419bcfabb8acf353e137715d47511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bd3d4555a07a93664b8e8a1df194a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86df419bf57b770d23c87831bd4c38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8b4bbd2f9912adfc9864c0e1e76a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
4 . 已知函数
.
(Ⅰ)求
的值;
(Ⅱ)当
时,求函数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48561e845af9e96ee769d3ade9042e11.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fae6644342cc4c635d31a8c3a05610f.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778662c16848db470c6537705b8a839c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
5 . 已知函数
.
(Ⅰ)求
的值;
(Ⅱ)求函数
的最小正周期和单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147565dab9afa1e783c6485c159fe050.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc045585fd3cd90060ffef82fd462e4b.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
6 . 设函数
.
(1)求函数
的单调递增区间;
(2)当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a45f24daed69c21fe3e21c2394b5ff.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
名校
7 . 设平面向量
,
,函数
.
(Ⅰ)求
时,函数
的单调递增区间;
(Ⅱ)若锐角
满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597d21c837f2447906b27b6459163798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d11dd197d24445886421d4959eb7bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a56b1f745a78c71ddfbb44837231c5.png)
(Ⅰ)求
![](https://img.xkw.com/dksih/QBM/2019/7/19/2250084554760192/2290471713046528/STEM/a57078e993e94218a53175ed0c825dcd.png?resizew=64)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3472a1078ff8ab728c94ad473b3f6556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1236ac3cdf99e858fe01f97a012e6a.png)
您最近一年使用:0次
2019-09-14更新
|
943次组卷
|
7卷引用:浙江省金华十校2017-2018学年高一上学期期末调研考试数学试题
名校
8 . 已知函数
,
.
(1)求函数
的单调增区间;
(2)若
≤
对任意的
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fcee1fd52bf0b13f58f0ac4cf01bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0bc6775d59e23a45d1c4357d5ffe228.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4121498c5caa7d76919bef2d85ffad42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75189fc79918d3c1d45ffe47e15ef42f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-05-05更新
|
1506次组卷
|
8卷引用:浙江省湖州中学2020-2021学年高一下学期期初数学试题
9 . 设函数
.
(1)化简并求函数
的最小正周期
及最值;
(2)求函数
的单调增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c1af399a4e32eeeca820055855f043.png)
(1)化简并求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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10 . 已知函数
.
(Ⅰ)求函数
的单调递减区间;
(Ⅱ)求方程
在区间
内的所有实根之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1628fbbf09f5926d8df89e568f6319d8.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee88d037df3ea667f5259ead5b6db99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
您最近一年使用:0次