1 . 已知函数
.
(1)求函数
的最小正周期;
(2)求函数
在区间
上的最小值和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6891cfb44d44f17bb79b82e85ab79fb8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7466d2055b1e49baea19e7e13cf97b77.png)
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名校
解题方法
2 . 若
为第三象限角,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d33658e09092e727b0035825036fc8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb5df7dcdc5112c4e8cbe16df671c92.png)
A.![]() | B.![]() | C.2 | D.![]() |
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2024高一下·上海·专题练习
解题方法
3 . (1)证明:
;
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711a0b572919121037d12cbd89db23a2.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6551e349ab9cdaceeddd10df7d02b45.png)
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24-25高一上·全国·课后作业
4 . 画出从公式
到半角的余弦公式的知识结构框图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5bcf44b6a1dd4daf8eca077ff72d4c.png)
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名校
5 . 已知向量
,
,且
.
(1)若
,求
的值;
(2)求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5957615bbd3adb2c186044516538259c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f49c94c8b933013d9f5d867bf47ab3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67c1962c3ed8ad1e3a689ebac4b6b31.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93af88a7628c71d642d3a6df067c15f5.png)
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2024-05-04更新
|
295次组卷
|
3卷引用:江苏省镇江中学2023-2024学年高一下学期期中检测数学试题
江苏省镇江中学2023-2024学年高一下学期期中检测数学试题江西省南昌市第十九中学2023-2024学年高一下学期5月期中考试数学试题(已下线)专题02 三角恒等变换题型归纳-《期末真题分类汇编》(江苏专用)
名校
解题方法
6 . 已知扇形
的半径为13,以
为原点建立如图所示的平面直角坐标系,
,弧
的中点为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533fa1a050d9028ba580f488acf5204c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd34637ea6109e37753f9fbf7102e31.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36303e0e60c6f440a1e1c56e426ae9e5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32eb02421d867d06df9628e7a4850f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04ca22dba343e23584976deeedf071f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36303e0e60c6f440a1e1c56e426ae9e5.png)
您最近一年使用:0次
解题方法
8 . 已知
为锐角,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173fb697a780573b0dcc5cfba0982b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb813f503b877a9eabbc919f27c1299c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 设
,化简
的结果是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5f229287279b9fe83ac636609c702f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43210afc56120e952d2921f5f2237a01.png)
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解题方法
10 . 在
中,
分别为角
所对的边长,
.
(1)证明:
是等腰三角形;
(2)若
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70bf6dd61151d809ac10b1bb9259b411.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d15d6b1e8b4368ac45cc2254aafdc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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