已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a13c4a116f4692b91e65baa8d4826.png)
(1)求函数
的最小正周期;
(2)求函数
的最大值和最小值及相应的
的值;
(3)求函数
的单调增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a13c4a116f4692b91e65baa8d4826.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2021-07-22 22:27:17
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解答题-作图题
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适中
(0.65)
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解题方法
【推荐1】已知函数
,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/dd2580d1-7d6a-40a5-b2e9-2d29930688b3.png?resizew=387)
(1)请用“五点法”画出函数
在长度为一个周期的区间上的简图;
(2)求
在区间
上的最值和相应的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561cfd6c537bf59153f556402aff9bc1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/dd2580d1-7d6a-40a5-b2e9-2d29930688b3.png?resizew=387)
(1)请用“五点法”画出函数
![](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/86891f7e5e1a46763b461d6fcd5dbe8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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适中
(0.65)
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【推荐2】已知函数
,
.
(1)若函数
为偶函数,求实数
的值;
(2)若
,
,且函数
在
上是单调函数,求实数
的值;
(3)若
,若当
时,总有
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831d688173ee3f4cad84fb1b37bdf339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00fc4677e1717d228300fa2d83b5f9e2.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/397baf34363a9d2acc37cf8ec129af22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01293c75043b2c0ff2df020a2f5fec50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e6b7ae3684ae464c97ef2c567991c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ab6b7ae1faeaca91a23b2140ad92c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd9f829b88c629bfcd23951a6587a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cb4168aa34338d2d1ab81bb921f2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb8c3175cd3da7ec9d59962570152da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3625f5f77c014036d8749a38ba443029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知函数
.
(1)求
的最小正周期;
(2)求
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e115d3afff183c0e1410440e37330000.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
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适中
(0.65)
名校
【推荐2】已知函数
.
(1)求函数
的最小正周期及
的单调递减区间;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d007b1d6602b7b30d71106030a37da.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582bf2bb73843c0abab4c4a10da29504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5653b4620620d07b555e4a6c9ff91f6.png)
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【推荐2】如图,在△
中,
,
,点
,
是线段
(含端点)上的动点,且点
在点
的右下方,在运动的过程中,始终保持
不变,设
.
![](https://img.xkw.com/dksih/QBM/2022/4/18/2960911885328384/2961554568486912/STEM/6761cbf9a102440b9449deae1f269e8b.png?resizew=150)
(1)写出
的取值范围,并分别求线段
,
关于
的函数关系式;
(2)求△
面积
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a566b100fb2ebe3d208f9b6527934218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d944d8b79ed0da006b19277550d6ff7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0cf054e01d671fd082d0e92c4d44704.png)
![](https://img.xkw.com/dksih/QBM/2022/4/18/2960911885328384/2961554568486912/STEM/6761cbf9a102440b9449deae1f269e8b.png?resizew=150)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)求△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38a6341dbb03ec2c0c10e5353a07c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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解答题-问答题
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适中
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【推荐1】设
.
(1)求
的单调递增区间及对称中心;
(2)当
时,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8ea1dd3ea29c8965cde2b4ebfea596.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4138f6987cd2ee9e56b2ac80e84f9e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b04f2631aebcc85921c00c47d68d1f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64cd502af8424288431c6d6f27b89f73.png)
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(0.65)
【推荐2】已知向量
,
,
,
.
(1)求
的单调增区间及对称中心;
(2)
的内角
所对的边分别为
,若
,
,
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8f3934e72fa0b9c447fb305cbbda47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ff570ff86187b1fd9419b18132321d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740710b92f3f3af8f447d1a12799ef81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab1e6107f2370b5bb2580b23bfcf0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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