已知函数
.
(1)求
的最小正周期和递增区间;
(2)已知等差数列
满足
,公差
,求数列
的前
项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52507655aafdcb5c562b510aef741324.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知等差数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d667a1cbc19a151a5223ebd69d021d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3789a6b168a3678791963852c728920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91be5acdedde205f2e096a2cc01a80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c344d389c2504f70eff567c485b71a.png)
2021·上海杨浦·模拟预测 查看更多[4]
上海市复旦大学附属中学2021届高三上学期第一次教学质量检测数学试题福建省莆田第二中学2022届高三上学期数学期末练习卷(一)试题(已下线)解密05 三角恒等变换(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(浙江专用)(已下线)第07讲 三角函数图像与性质-2
更新时间:2021-12-20 12:04:03
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【推荐1】已知函数
,且
的最小正周期为
.
(1)求
的值;
(2)求
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d452e8117bdb51cd86a6a3852ea4b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9609625b502348556ff8ba32deac8caa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
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【推荐2】已知函数
.
(1)求
的最小正周期;
(2)求
的单调递增区间;
(3)求
在
上的最值及取得最值时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d00802ab857b6f46ad341260b3247d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐1】已知函数
,
.
(1)求函数
的最小正周期;
(2)当
时,求函数
的最大值与最小值及相应
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8419f7d155c3f8e2103398dba7cd30a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31aba8ca22579a6d5eed632aecff4548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】在△ABC中,角A,B,C所对的边分别为a,b,c,且
.
(1)求角C;
(2)若c=4,△ABC的面积为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776086e731c74671e7e6ba6a1b27e42c.png)
(1)求角C;
(2)若c=4,△ABC的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
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【推荐1】设数列
的前
项和为
,且
.
(1)证明数列
是等比数列,并求
的通项公式;
(2)若
,求数列
的前
项的和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29518f13a1ebc3fff8181c2d7cfba22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b708c8dcb2d66eb2ce0b3718a9cd924a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9424fc0c40b0f83821feb4805ef18782.png)
(1)证明数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29518f13a1ebc3fff8181c2d7cfba22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29518f13a1ebc3fff8181c2d7cfba22f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77087e2e2be7ec1d16b17c2881b0e943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2448cf72af76b810310e4cfb9818e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa8918f52ca1b5bbf88fe3b31d44faa.png)
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【推荐2】已知数列{an}满足a1=1,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f17c96b1c78f9d8c62d1ce07494c0c8.png)
,n∈N*.
(1)令bn=a2n-1,判断{bn}是否为等差数列,并求数列{bn}的通项公式;
(2)记数列{an}的前2n项和为T2n,求T2n.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f17c96b1c78f9d8c62d1ce07494c0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de354ad96b3b2461cb7b1b62ca5c6be.png)
(1)令bn=a2n-1,判断{bn}是否为等差数列,并求数列{bn}的通项公式;
(2)记数列{an}的前2n项和为T2n,求T2n.
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【推荐1】已知向量
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(1)求函数
的单调递增区间;
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内角
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf96063b6dfe36286ae248844b74b99.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0d5cf8c22d0cf93274939d92963665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】已知
,
,
,函数
,
的部分图象如图所示.
(1)求
,
的解析式;
(2)求函数
的单调递减区间.
![](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/64a297d9b18487cde772be5c7d2676b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368bfb7b0e6b967a8d079887e08f4d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f76d225f6fd963a067736007fcac68f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/5/a8b4b12f-633d-417e-960a-fed02d41c200.png?resizew=160)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222dc39917842419f96c8ded1a61637a.png)
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