设向量
,
(1)求函数
的最小正周期及单调递增区间;
(2)若函数
在
上有两个零点,求实数m的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e440e575b5b13f2b9f6e857244d3a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be2dd167392a87d125bfd91ab3cb396.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd1017814e9883c21b17e43703a7272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
20-21高一下·浙江·期末 查看更多[4]
(已下线)【新东方】高中数学20210527-026【2021】【高一下】江西省新余市2020-2021学年高一下学期期末数学(理)试题浙江省北斗联盟2020-2021学年高一下学期期中联考数学试题湖北省十堰市柳林中学2022-2023学年高一下学期第二次月考数学试题
更新时间:2021-06-03 09:19:00
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【推荐1】已知向量
, 设函数
.
(1) 求
的最小正周期.
(2) 求
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50601833d2367f1a369d79782411ba67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbaf6453ac77816af7cd25f1d15b59f9.png)
(1) 求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2) 求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
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【推荐2】已知函数
,其中
为常数.
(1)求函数
的周期;
(2)如果
的最小值为
,求
的值,并求此时
的最大值及图像的对称轴方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40cf266131c03af92f60bf10b51a5d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐3】已知函数
.
(1)求函数的定义域和值域;
(2)判断函数的奇偶性;
(3)判断函数的周期性,若是周期函数,求其最小正周期;
(4)写出函数的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73514741c582346d1597d16a335fe950.png)
(1)求函数的定义域和值域;
(2)判断函数的奇偶性;
(3)判断函数的周期性,若是周期函数,求其最小正周期;
(4)写出函数的单调区间.
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【推荐1】已知函数
(
,
,
)的部分图像如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/21/b95c8cc8-705b-4769-a451-6c77d1dda388.png?resizew=142)
(1)求
的解析式;
(2)求
的单调区间;
(3)不画图,说明函数
的图像经过怎样的变换可得到
的图像.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c830f1abf387dc0a165e9a397d5636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a61aaa4794ba51dc328aedbbc47c35c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/21/b95c8cc8-705b-4769-a451-6c77d1dda388.png?resizew=142)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)不画图,说明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
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【推荐2】若函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b659146043ee17e549578998318b2c12.png)
的图象如图所示,求它的解析式、初相、最小正周期与振幅.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b659146043ee17e549578998318b2c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede2c277b6a8f9ae7d19f5e0ad1a17e0.png)
![](https://img.xkw.com/dksih/QBM/2021/9/24/2815027024314368/2815769521455104/STEM/95ff7db0-b6a3-4cf3-a350-70d278d826e8.png?resizew=246)
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【推荐1】已知
.
(1)若
三点共线,求实数
的值;
(2)证明:对任意实数
,恒有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f69b3d8471499bb4bed0aecd52e2fe.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)证明:对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d9197268612b0af8a9f8464fda9de9.png)
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【推荐2】已知平面向量
,
,
,函数
图象的两条相邻的对称轴之间的距离是
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(Ⅰ)求函数
的单调递减区间;
(Ⅱ)求函数
在区间
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bca9b5eedf0242233306462554cece2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3443268564d44017012a829cb158e401.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4685cf90e784688a98c1ccc02e5f1fa0.png)
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【推荐1】已知函数
的相邻两对称轴间的距离为
,
.
(1)求
的解析式和单调递增区间;
(2)将函数
的图像向右平移
个单位长度,再把各点的横坐标缩小为原来的
(纵坐标不变),得到函数
的图像,若方程
在
上的根从小到大依次为,
,若
,试求
与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc82082f29d261b94e87f959856a71f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004bc26ffaa7ce5dba3d4794ae24649b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6a62d3680a1d44c4d423fb52b87cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83590c4a7ea5636843dd4b60c67cb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d3fc124941db9c0e7b10958442a290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】函数
的最小正周期为
.
(1)求
的值;
(2)从下面四个条件中选择两个 作为已知,使得
解析式存在且唯一.求
的解折式.
(3)在(2)的条件下,求
的单调减区间.
条件①:
的值域是
;
条件②:
在区间
上单调递增;
条件③:
的图象经过点
;
条件④:
的图象关于直线
对称.
注:如果选择多个符合要求的条件分别解答,按前两个条件和第一个解答给分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598fbf4983eee2b3e1552aa4e96dcb83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)从下面四个条件中选择
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)在(2)的条件下,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c336f0be66b4a051540ebfdc835f01.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
条件④:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759ab3601d751e0c17bec20feb8f11f5.png)
注:如果选择多个符合要求的条件分别解答,按前两个条件和第一个解答给分.
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【推荐3】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaea2dbd6d99c8edfb4b2076b7dea385.png)
(1)求函数
的最小正周期和单调递减区间;
(2)已知
的三个内角A,B,C的对边分别为a,b,c,其中
,若锐角A满足
,且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaea2dbd6d99c8edfb4b2076b7dea385.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087777ee993241f024fbe0457e60a9a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11f594b16174b616c42abd2f78a2787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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