解题方法
1 .
中,
,
,则AC的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8828aa912751136f96edb9426ccc90c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 .
的内角A、B、C所对的边分别为a、b、c,若
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e515674b6ac2adfed341715fbfe4a8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38f550e95b2950f91e8ec1798b94109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d773e8f41cd19e3efd7465374d0d9945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-07-10更新
|
307次组卷
|
4卷引用:四川省内江市2021-2022学年高一下学期期末数学理科试题
四川省内江市2021-2022学年高一下学期期末数学理科试题四川省内江市2021-2022学年高一下学期期末数学文科试题(已下线)6.4.1 正余弦定理(精讲)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)高一下期末真题精选(基础60题60个考点专练)
3 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c12a25598fd2434531c4b872e184344.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-07-10更新
|
956次组卷
|
3卷引用:四川省内江市2021-2022学年高一下学期期末数学理科试题
名校
解题方法
4 . 已知函数
的图象的一部分如图所示.
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896369527513088/2897067385077760/STEM/bb5249dc-9171-4d3e-b02e-0988880524ab.png?resizew=196)
(1)求函数
的解析式;
(2)若函数
,
的最大值为3,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703b4493b66a538140dd12bb3b268a7a.png)
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896369527513088/2897067385077760/STEM/bb5249dc-9171-4d3e-b02e-0988880524ab.png?resizew=196)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecd01eb380b76b4c760c31e3d156119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53c3b56fea63868bb98bcb2322a2006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-01-18更新
|
266次组卷
|
2卷引用:四川省内江市2021-2022学年高一上学期期末数学试题
5 . (1)化简:
;
(2)求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85677f73b75246fbbc938e095cd8fc96.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54f510d9e01f2925880a22e366103d9.png)
您最近一年使用:0次
解题方法
6 . 关于函数
,下列说法正确的是___________ (填上所有正确说法的序号).
①
的定义域为R;
②
的值域为R;
③
为偶函数;
④
为周期函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ac60233ee637e74ac37a506111a518.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解题方法
7 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e897c0d71724d6ae6791d885dcc53f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf48779e7bc7c5b0ea65bfc6fec488d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
您最近一年使用:0次
2022-01-18更新
|
508次组卷
|
2卷引用:四川省内江市2021-2022学年高一上学期期末数学试题
解题方法
8 . 已知函数
,函数
满足
,且
时
.若对任意
,都存在
,使得
,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974129b7aaca455e7618025289bf536d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a70e0d67d87c2894407e8309e312ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58119f48aa8860923d1f13dd78a17c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976581d4a974fe50f9f29d430c1289f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe12c440d5d8c07924dbf67a8bf2120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71564325f6b9e03affa394328582868e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032e8dc00cdc96860c9cbf8ac09677fc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知函数
的部分图象如图所示,则函数
的单调递减区间为( )
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896369527513088/2897067384856576/STEM/d1bc38db-79b4-4ed4-a680-4499260d2d1d.png?resizew=251)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58dd812100d062b9e93dc8553ceadbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896369527513088/2897067384856576/STEM/d1bc38db-79b4-4ed4-a680-4499260d2d1d.png?resizew=251)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
10 . 角
的终边绕原点逆时针旋转
后与单位圆交于点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4fdb0a3feec3e38d2b65545a7e30157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-01-18更新
|
542次组卷
|
2卷引用:四川省内江市2021-2022学年高一上学期期末数学试题