名校
1 . 已知函数
在区间
上只有一个零点和两个最大值点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2f16911db3210ad2c3a50768387d45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f897eed68eaf69608ffa4cf9de94a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
2 . 已知
中,
对应边分别是
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb442a6ded4bced71ffc69c5a56b007.png)
________ .
![](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/1c8e5ce6c55a720a332a08c07f1a89a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb442a6ded4bced71ffc69c5a56b007.png)
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名校
解题方法
3 . 如图,在
中,角
所对的边分别为
,已知
,
的平分线
交边
于点
边上的高为
边上的高为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ada871ccdbd83b6ccbddbcd84521bc.png)
__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7330af1eaa4fbb442ebc7b47be6b6d7a.png)
__________ .
![](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/3a0d44899ceb7b3137a82f2498c6d9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78bea1b93dcf0514f157720793da1a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383d609af37a655a531e3e7441cd123e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa9e9cc8d1a0e6846523986552693cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d287c4df5c0cac5a4931edb43b01d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ada871ccdbd83b6ccbddbcd84521bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7330af1eaa4fbb442ebc7b47be6b6d7a.png)
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7日内更新
|
213次组卷
|
3卷引用:2024届河南省名校联盟考前模拟大联考三模数学试题
名校
解题方法
4 . 在锐角
中,内角A,B,C的对边分别为
,且
,若D是
的角平分线与BC的交点,则
的取值范围是________ .
![](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/2a1ce06d0a1633dccfe9a8d11443c38d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28210f7d8e896a08f5caf8722beb65e6.png)
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名校
解题方法
5 . 记
的内角
的对边分别为
,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
__________ .
![](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/0be713d7e3b8a7b90915b46e417e9297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49bb19a37f0055a7338da3ff036a240c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
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名校
解题方法
6 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f7698dd5a062fbd47f3a253f9590ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d28eab3b97cbeff2ff5527a0603ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
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2024-06-12更新
|
403次组卷
|
2卷引用:黑龙江省佳木斯市第一中学2023-2024学年高三第三次模拟考试数学试题
名校
解题方法
7 . 在
中,角A,B,C的对边分别是a,b,c,若
,则
的形状是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6efe67616898149aaaea11ca7a03d063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-06-08更新
|
238次组卷
|
2卷引用:四川省眉山市仁寿县仁寿第一中学校(北校区)2024届高三模拟预测理数试题
名校
解题方法
8 . 正实数x,y满足:存在
和
,使得
,
,
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3105e48ecbd0167a1ebc9480d4b6a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0da7936f5bf3c07a3122e9fd1f0ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946a7b7cec9439408d5d3c3a32b15d51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a953ac738380029ff0143c4a4596c62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d4e0ff2f771eb4657193ec1afba3f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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解题方法
9 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f66f52718d2794ebc4c912f29486c31.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f66f52718d2794ebc4c912f29486c31.png)
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解题方法
10 . 在
中,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
______ (用弧度制表示),若
为
的中点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f86271ee2b1858cf3f54d57d8473dad.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f29c36db60dd12810ad2e90989d422bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89cae28c97255a8d5640377f39be2ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f86271ee2b1858cf3f54d57d8473dad.png)
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