解题方法
1 . 函数
在一个周期内的图象如图所示,此函数的解析式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5e58d659d9facf308de15f3e27459c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/15/4566eebd-9a56-4083-9e7c-b0441b7be4bd.png?resizew=150)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 设函数
,其中
,若对任意的
在
上有且仅有4个零点,则下列
的值中满足条件的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b2794c799d5340ba80ea0594b64f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa1aea0e7df375e3a3bff68a0c01d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
3 . 如图,
为山脚两侧共线的三点,在山顶
处观测三点的俯角分别为
.现测得
.计划沿直线
开通一条穿山隧道,则隧道
的长度为________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e16fa2a1f51bcfd55d91987b8e6abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://img.xkw.com/dksih/QBM/2023/7/7/3275891296165888/3279438852218880/STEM/50fc6cbf7e86443a86c35781cbb0c4d8.png?resizew=366)
您最近一年使用:0次
解题方法
4 . 在
中,角
所对的边分别是
,设
若
.
(1)当
,求
面积的最大值;
(2)求
的值域.
![](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/e326cbf2d4ba5c2d15240b4f78f6a36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c275fcee18d7eddc6e0c60e0018372.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8b900590bb50ebad1e976d1ac85837.png)
您最近一年使用:0次
5 . 已知
的内角
的对边分别为
,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/76f0649064a085fb74c997fb507a9b6d.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
6 . 设
,若函数
与
图像关于
对称,则
时,
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26205e15316c2885bc9ec33457885d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ab84192e12bb292bc9fbd0b29fbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知函数
的相邻两对称轴间的距离为
.
(1)求
的解析式;
(2)将函数
的图象向右平移
个单位长度,再把横坐标缩小为原来的
(纵坐标不变),得到函数
的图象,当
时,求函数
的最值.
(3)对于第(2)问中的函数
,记
在
上的5个零点从小到大依次为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06aa7e8909a2e050bc2ff2e68d3f9934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64bba79cf58feec3b7705eb252321b83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)对于第(2)问中的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a5c2223fc6affb91897a919064b2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6a62d3680a1d44c4d423fb52b87cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195f9cb9c1ca84756dd98afdc784ead9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa1aa4ecd1b457165eeeb560bd83652.png)
您最近一年使用:0次
解题方法
8 . 已知
.
(1)化简
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7205d048ef7261ac622b371f140c1fbb.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2b2525ddab017916bd74106007883e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6368bf38adbb637ed4ca223d8ef23ad.png)
您最近一年使用:0次
9 . 某船在海面上航行至
处,测得山顶
位于其正西方向且仰角为
,该船继续沿南偏东
的方向航行5百米至
处,测得山顶
的仰角为
,则该山顶高于海面( )
![](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/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.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/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-07-12更新
|
475次组卷
|
3卷引用:四川省成都市郫都区2022-2023学年高一下学期期末数学试题
解题方法
10 . 已知
的内角A,B,C所对的边分别为a,b,c,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次