名校
1 . 如图,某人开车在山脚下水平公路上自
向
行驶,在
处测得山顶
处的仰角
,该车以
的速度匀速行驶4分钟后,到达
处,此时测得仰角
,且
.
的值;
(2)求该车从
到
行驶过程中观测
点的仰角正切值的最大值.
![](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/04bc5f484cc6102b64b4686f161f1972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16ffb700d5186f0d7d79739bf9e1931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93e7c6eba439b1d17151568b7e41086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14997d2091231724013dbb5e9ec5c9e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
(2)求该车从
![](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/dad2a36927223bd70f426ba06aea4b45.png)
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2 . 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
3 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266fc9894879e0e2c1b2677870e4f2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa35e9214c45b009c3dda455f56681a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 设函数
,则“
”是“
在
上单调递增”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36db901c68dcf6a1b32bb6a7ddb6e795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd14739eeaf152b1ab9de71444703406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2c85597ea3772df8816975f803efd9.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
7日内更新
|
159次组卷
|
2卷引用:四川省成都市第七中学2024届高三下学期热身考试数学(理)试卷
名校
解题方法
5 . 在梯形
中,
,则该梯形周长的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6826ff84a268426fb6c830ea932b8c4.png)
您最近一年使用:0次
7日内更新
|
105次组卷
|
2卷引用:江苏省华罗庚中学2024届高三下学期5月适应性考试数学试卷
6 . 已知点B在点C正北方向,点D在点C的正东方向,
,存在点A满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451edc75de74313e53f5d636ac930848.png)
______ (精确到0.1度)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a16dc02090b6e9263555061f14fbc8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d381171dbde5c1ff4d8a09c178ab6f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451edc75de74313e53f5d636ac930848.png)
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解题方法
7 . 已知
的角
对应的边分别为
的平分线交边
于点
,若
,则
的最小值为( )
![](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/ecc1f5bfcc7a2cf10d9e1f720334a080.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/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33012983c8ebaaadc7c13978254311d4.png)
A.![]() | B.4 | C.![]() | D.![]() |
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8 . 已知函数
,
的部分图象如图所示.若将函数
的图象向右平移
个单位长度,得到函数
的图象.若函数
为奇函数,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024d0af0c008ea76f5f5991723dfe784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e5dbf1c6e8c37604704bc27eeb93d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebd1d359040a1172a944ded96ed0127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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解题方法
9 . 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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解题方法
10 . 已知函数
.
(1)若
,求
的值域;
(2)若关于x的方程
有三个连续的实数根
,
,
,且
,
,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a8af8cae82d4d35ae1c3fe57f55ef8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b88ab2328fdf6dd3a53429345bba99f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577ae7344fd256ae4c8034a4c5fc83fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087470ba11dd0290e600f165fc19367f.png)
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