解题方法
1 . 若
,且
,则
的最小值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802fa75154cf452b1ef578447c7035f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038d16ba4a91aa98248eff66984253b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4c25755e08df6c44fa0d2be441f709.png)
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2 . 已知函数
.
(1)求
的对称中心;
(2)设常数
,若函数
在区间
上是增函数,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520b6974315cb1ea3cdba1a182a17ca7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e665ca2220e4b27b78a173ff756e1eda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f5a99286d3e13d5d5a7f8a5b0279d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
3 . 在三角形ABC中,
.
(1)求角A;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5847a8afbd0bd9c32105620e13544047.png)
(1)求角A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d7e2c43c8d5612f6bc2a248f42b659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560b5f1bdfeb261d2205d4a571cd04a3.png)
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解题方法
4 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ae4f86aad1e1dd4732591948ed75ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad165932367f7f4a8f4c3742c9b43a36.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
5 . 证明下列等式:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28d8f097a804e4dd44a3a55de43d080.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28d8f097a804e4dd44a3a55de43d080.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3485e597433ba0d2031b3852bda74f.png)
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6 . 下列结论正确的是( )
A.![]() |
B.![]() |
C.若![]() ![]() |
D.![]() |
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解题方法
7 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f7041432dd8e5a1d495c7a9aeced52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145e09a80b0a043faaed596381e1ca3f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 在
中,角
的对边分别为
,角
的角平分线交
于点
,
,则下列说法正确的是( )
![](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/4574c1fa0222fc8b5e078b1110f45c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98df1949bacce6d0ff662f61900213c6.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f952d980f9c87113407f86814d1d8db.png)
,若方程
有6个根,则
的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f952d980f9c87113407f86814d1d8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddea382d8bece5514a9cbd6a225667e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6385ccb7d8a145c8339f03bc143829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.0 | B.![]() | C.![]() | D.1 |
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解题方法
10 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af7d7a9be72927027a1ce78fda9dbb6a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f55b8836b41be612a52ca9caf97006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce4e0490aa54f3b5070cc4d71af1d51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af7d7a9be72927027a1ce78fda9dbb6a.png)
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2卷引用:辽宁省抚顺市六校协作体2023-2024学年高一下学期期末考试数学试卷