已知
.
(1)求函数
的最小正周期;
(2)求函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d11d47d975c85c8c5e486e495b2365d.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)
更新时间:2020-11-26 09:18:01
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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)若
,
,求函数
的值;
(2)求函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff9699322f5ce4de47a7d7d7025c16.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161b0fd0f17495d65823299e0476dd15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9593ea8057157903d051d05f51d1d055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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较易
(0.85)
解题方法
【推荐2】已知函数
.
(1)求
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(2)求
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(3)求函数
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da73e80ebd43a780d5dd36ab703628c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed0604bc60e32da5d5eeaebdbf5aec3b.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解答题-问答题
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解题方法
【推荐1】在
中,角
所对边分别为
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(Ⅰ)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256c90ac9c7d846e4fb3bf4c28a55aba.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25948269cbc72ca1e2aa10ca731d18a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d4a4f66bbaec57120052c925c25c656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】已知:函数
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(1)求
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27716788e838bd934952fe13c5e4671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61dff5b63913762b3be82e55a18f3847.png)
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名校
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e0a64b3410d073c9e479f8401a7f8a.png)
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
(2)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecf86aec950d4106b96b811129180a5.png)
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名校
【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9694c71f13a9708e6ae8338e61e7a907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433ac87718a34d09731849021d34935b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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(2)求
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