名校
解题方法
1 . 如图,在矩形ABCD中,
,
,M是AD的中点,将
沿着直线BM翻折得到
.记二面角
的平面角为
,当
的值在区间
范围内变化时,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46356d335bec7688dc90f33ac9213d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9052adaffb2d28fd9a3cd737a9b4ef28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083479b94380e8d659eff92d10a1989d.png)
A.存在![]() ![]() |
B.存在![]() ![]() |
C.若四棱锥![]() ![]() ![]() |
D.若直线![]() ![]() ![]() |
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4卷引用:甘肃省天水市第一中学2023-2024学年高二下学期第二学段检测考试(6月)数学试题
名校
解题方法
2 . 在
中,已知
分别为角
的对边.若
,且
,则
( )
![](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/bd848a5e4577c3c660d9bf6a25b49f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc22316e4032073674645f78d15cd7ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f774cd650f14c8f6e4fe0c6a432768bb.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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2024-04-19更新
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3卷引用:黑龙江省大庆市实验中学2023-2024学年高一下学期6月份阶段性质量检测数学试卷
黑龙江省大庆市实验中学2023-2024学年高一下学期6月份阶段性质量检测数学试卷江苏省南京市南京师范大学附属中学2023-2024学年高二下学期期中考试数学试卷(已下线)【讲】专题6 正弦定理、余弦定理综合问题
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3 . 函数
图像上存在两点
,
满足
,则下列结论成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329d1214589aa92c8fe583d97a31f2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f56635924584077092ac3c7dd68837b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce32bcbc07c12f0d60a36403dcbf6872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c803c3e37110d2541dfa3dc3eb8cbee0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
4 . 在
中内角
的对边分别为
,设
的面积为
,若
,则下列命题中错误的是( )
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3062747222b695d10239fcabb8bc192c.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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|
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四川省成都市成飞中学2023-2024学年高一下学期5月月考数学试题江苏省海州高级中学2023-2024学年高一下学期第三次阶段性考试数学试卷江苏省南京师范大学附属中学2023-2024学年高一下学期4月期中考试数学试题(已下线)第11题 定高倍角三角形面积取值问题(压轴小题)
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5 . 某大型商场为迎接新年的到来,在自动扶梯
(
米)的
点的上方悬挂竖直高度为5米的广告牌
.如图所示,广告牌底部点
正好为
的中点,电梯
的坡度
.某人在扶梯上点
处(异于点
)观察广告牌的视角
,当人在
点时,观测到视角
的正切值为
.
的长为
米,用
表示
;
(2)求扶梯
的长;
(3)当某人在扶梯上观察广告牌的视角
最大时,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73b83c5c8b32feea33d367096724fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabecf66d94e4094f9cc46fd8ee050f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f34ccef3dae6e2ff80cf5224c7bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab52a9c7f7b361ad0488f01d714135fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13b2bedd7b3a411b9c4f4efec4fed7d.png)
(2)求扶梯
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(3)当某人在扶梯上观察广告牌的视角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
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6 . 若
的角
所对边
,且满足
,则
的最大值为( )
![](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/5fd95a60e2fe536650186ee3ffa76934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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|
940次组卷
|
3卷引用:江苏省苏州市相城区陆慕高级中学2023-2024学年高一下学期5月月考数学试题
名校
解题方法
7 .
的最大值为
,则复数
的模为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab8413b24000c584018cc22bf9d5396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b40b6895776e0807c2baecbc8f33a8c.png)
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解题方法
8 .
的三条高交于一点H,
所对的边分别为
,下列说法中正确的有( )
![](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/bfae2500c1deac438b720b191a122a5b.png)
A.![]() |
B.![]() |
C.![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
9 . 函数
,若
的图象向左平移
个单位得到
.
(1)求不等式
的解集;
(2)若函数
的最大值为9,求
的值;
(3)若
,方程
在
内有一个解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab4cfdce139fe199eb133faa93998607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d421342981267087abf55d6f071eb89.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2542c1700f825ce2ffe1084632558c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eacc1a0b6b949a2e17aa335c2fe8a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f777ad530bb715ff0a262073cb2fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f93f92a0569b6d5564816069a9ae023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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10 . 在①
,②
,③
这三个条件中任选一个,补充在下面问题中,并完成解答.
在
中,角A、B、C的对边分别为a、b、c,已知______.
(1)求角C;
(2)若
,
的面积
,求
的周长l的取值范围;
(3)若
,
,求
.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b130a414a093a0543bcb448023ab8ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5319251a7f37501d738a9a6a6b6f5349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d712831a8ac270ed392a9a11b25d30f.png)
在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)求角C;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e790d299891bbb03ee1f87fd098920f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7132654b29341e460bc97af024d3dbbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be084f2756b335b95f8edd04af8cfcf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defdf69f0eb7e573b976a9b9d8027e79.png)
注:如果选择多个条件分别解答,按第一个解答计分.
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|
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