已知向量
,
,且
.
(1)求
的单调递增区间;
(2)先将函数
的图象上所有点的横坐标缩小到原来的
倍
纵坐标不变
,再将所得图象向左平移
个单位,得到函数
的图象,求方程
在区间
上所有根之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5b80354a561008bb12dda6e115aaf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c725b70a9c537c2f8310ad188c3759e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a078fdb37ceafaa2f47e52a2a66379.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)先将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd1cc9b247baaaf4c0546c8e4ade778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
19-20高三·云南玉溪·期中 查看更多[4]
云南省玉溪市玉溪第一中学2019-2020学年高三上学期期中数学(文)试题2020届云南省玉溪第一中学高三上学期期中数学(理)试题(已下线)专题02 三角函数的图象问题(第一篇)-备战2020年高考数学大题精做之解答题题型全覆盖云南省官渡区第一中学2021-2022学年高二上学期期中考试数学试题
更新时间:2019-12-16 15:32:46
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【推荐1】已知函数
.
(1)求函数
的最小正周期及最大值;
(2)令
,
①判断函数
的奇偶性,并说明理由;
②若
,求函数
的严格增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f68da274c5e4a43fc134a167ec8b06a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f910a5301802e945a17e6be8482b5a.png)
①判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7a3e19a25b7564106a3d2cf3a59b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
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【推荐2】已知函数
,
的最大值是
,其图象经过点
.
(1)求
的解析式;
(2)求
的单调区间;
(3)求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06c6e7b4407237521c32b3ea26a30c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996805bc044f965078fb5b8dec9b9b9e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf5dc94a71a79bb2597fa1858e50be5.png)
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【推荐1】已知函数
的最小正周期为
,将
的图象向右平移
个单位长度后得到函数
的图象,
的图象关于
轴对称,且
.求函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89a4210227bf07d28e20bb54b0d0c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b5fe74ccf3738df94d66a4aa44706a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】1.已知
.
(1)求函数
的对称中心和单调增区间;
(2)将函数
的图象上的各点___________得到函数
的图像,当
时,方程
有解,求实数a的取值范围.
在以下①、②中选择一个,补在(2)的横线上,并加以解答,如果①、②都做,则按①给分.
①向左平移
个单位,再保持纵坐标不变,横坐标缩小为原来的一半;②纵坐标保持不变,横坐标缩小为原来的一半,再向右平移
个单位.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d906f3c5a1ce827784561e1ff018e0d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfeb726c3854090ebfcb7033076b0f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42789e1a57375cc0fc379ecc947c15e3.png)
在以下①、②中选择一个,补在(2)的横线上,并加以解答,如果①、②都做,则按①给分.
①向左平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953b78787e8b2454510bedbfa14b7167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
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【推荐3】已知函数
,将
的图象上所有点的横坐标扩大为原来的
倍(纵坐标不变)得到
的图象.
(1)求
的单调递增区间;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8c7a750ff4705464c01eff2651d00e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
(1)求
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be1bad7c22c38c8cf89ff66ad7597ad.png)
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您最近一年使用:0次
解答题-问答题
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(0.85)
【推荐1】已知函数
,
.
(1)求函数
单调递增区间;
(2)在
中,
,
,
的对边分别为
,
,
,角
满足
,
,
,求
的值.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01effcb011f6bfc6c4881367977d77f6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)在
![](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)
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【推荐2】已知函数
.求:
(1)函数
的最大值及最大值时x的值;
(2)函数
的单调增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fed3a136ddfff160a185a87f07e515b.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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【推荐1】已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837930645a16b1889f33a9e92b5c59ae.png)
(1)若
与
共线,求
;
(2)若
与
垂直,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f242f038195884ef098a99a274a1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837930645a16b1889f33a9e92b5c59ae.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea1f268299d57e5362182760a5961af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3364b5989fa241b26266c0d96ab9714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea1f268299d57e5362182760a5961af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3364b5989fa241b26266c0d96ab9714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
【推荐2】已知
,
,
.
(1)若
,求x的值;
(2)求
的最大值及取得最大值时相应的x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ad3cccecb5b329e1d34f1e0fefb135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b8583acf0b89997429dbbaa837c3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
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