名校
1 . 如图,在长方体
中,
是线段
上异于
的一点,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18c8850e96a30d05d5f6afede82cf54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffae5dd516ba282003e4ad9ca1b6fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d66a0e246245bcb4f4246bf709ce603.png)
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解题方法
2 . 在
中,角A,B,C所对的边分别为a,b,c.若
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e8370a3c1802256270059fd6f4b207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23511ccf4ac3f865d3f3a830dc55a5da.png)
A.![]() | B.![]() | C.![]() | D.4 |
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河南师范大学附属中学2024届高三下学期最后一卷数学试题(已下线)核心考点3 解三角形与实际应用 A基础卷 (高一期末考试必考的10大核心考点) 江苏省泰州市2024届高三下学期四模数学试题(已下线)【高一模块一】难度7 小题强化限时晋级练 (较难1)(已下线)解三角形-综合测试卷B卷
3 . 已知函数
的最小正周期为
.
(1)求
;
(2)求
图象的对称轴方程;
(3)若
在
上有2个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa55b232cfcb973c206ba521ad33c103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ddbc468411a7a08141f24bed62c024a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
4 . 在
中,
.
(1)求角
的大小;
(2)若
在边
上,
,且
,求
的面积
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc5081eeac7ae792291ab8033d6c06a.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](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/67585d2e2a0a8c12bcda212252cfd144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59cf8739d5e3ccc639d85c3a5ba483b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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5卷引用:河南省创新发展联盟2023-2024学年高一下学期第三次月考(5月)数学试题
5 . 如图,在正四棱柱
中,
是棱
的中点,则直线
与BE所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abd1ed7099a0530abd382847af3bfbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知函数
.
(1)若
,求
的最大值及对应的
的取值集合;
(2)若对任意的
,
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae671ab4cf706c86cae9e3533fb81ba.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30e141628744869fea2247088e7ffc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 设
的内角A,B,C的对边分别为a,b,c,其周长为
.已知
.
(1)求角
;
(2)若
,D是线段
上一点,
,且
.求a.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee4db3a87d86d5cbe63556fc18ddb55.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8653af649d2a1b22f50c8529ef43136d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e60f7299649258bebab60cf6b17f830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
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8 . 某数学兴趣小组成员为测量某塔的高度,在该塔的底部
点的同一水平面上的
,
两处进行测量.如图,已知在
处测得塔顶
的仰角为45°,在
处测得塔顶
的仰角为30°,
,
米,则该塔的高度
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e847513a54d0e5a8433f583767ccaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed7a19bc1762115dad06a702d4ce4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bedc4627a1777defeb106ef597d0db.png)
A.15米 | B.![]() | C.30米 | D.![]() |
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9 . 下列各式中,计算结果为
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 在
中,角
的对边分别是
,且
.
(1)证明:
.
(2)若
,求
的取值范围,
![](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/3d82705b3f982b0de94cc9954cefc07a.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa8d75a6638e08eedbff8662267da6f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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