已知函数
.
(1)求
的最大值和最小值以及取得最大值和最小值时,自变量
的集合;
(2)求函数的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fb07723a4a2db11ff8ef22120bcdf2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求函数的单调区间.
更新时间:2023-12-20 12:02:05
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解答题-问答题
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解题方法
【推荐1】已知函数
.
(1)求
在区间
上的最值;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60692a08c07a06a5b65e598764bdecb0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465e14646d5908810c61185d0f2dd677.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4c37015b5d3f43ee9c9b5bda3723d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50dec5d024bf83a30ef21f52abe9fccf.png)
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解答题-证明题
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适中
(0.65)
【推荐2】函数
的两个相邻的最低点与最高点分别是
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173221f0eb4ed33eba77fc6e2601cf4b.png)
(1)问当
向左最少平移多少个单位时,得到的函数关于坐标原点对称?
(2)求证:对于任意的
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f26765b493dcb0cb3ebe4f7ef74c3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e37b2afefb286ccdae503c4b7072f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173221f0eb4ed33eba77fc6e2601cf4b.png)
(1)问当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64bba79cf58feec3b7705eb252321b83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17796db948012ea00f79954c0e389b0d.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知函数
,
.
(1)若
是第三象限角,且
,求
的值;
(2)设
,讨论
在区间
上的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b033bf55b0003daf0a5267804495453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd903c2bb91fe9837f6cc9887aa03f8f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29a42402034373740d38677a702e0b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9d76fb48eb30e7946cb96047e08206.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc88f11fd5c2660cf29928d60740d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
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解答题
|
适中
(0.65)
名校
【推荐2】已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aaa8827272c99dd6e26a9931c82ed37.png)
(1)求函数
的最小正周期及单调递减区间;
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中,角
所对的边分别是
,若
,
,且
面积为
,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aaa8827272c99dd6e26a9931c82ed37.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/298f468e768655fee982d80b3f39523c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9720430f7a78087a509e5ae5b764442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551ae28e0fca03ed5429b3f7e4b5bb0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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