名校
解题方法
1 . 已知向量
与
的夹角为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d69c233f69dd7cfadaa0086a0aa218.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5f5bbd930bfb957eff31038b2380f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d69c233f69dd7cfadaa0086a0aa218.png)
您最近一年使用:0次
2021-08-03更新
|
361次组卷
|
2卷引用:四川省资阳市2020-2021学年高一下学期期末数学试题
名校
解题方法
2 . 在
中,内角
的对边分别为
且
.
(1)求角
的大小;
(2)若
,求
面积的最大值.
![](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/7132c2d8b2ff504e6c2ba36c4f6dcfaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bdbbaf8105883cac72ae3683b1f7658.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-08-03更新
|
500次组卷
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2卷引用:四川省资阳市2020-2021学年高一下学期期末数学试题
解题方法
3 . 如图,在平面五边形
中,
,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/7/9/2760651331125248/2778309296865280/STEM/140903369a7f4c31bf2fd888c91921e8.png?resizew=178)
(1)求
的值;
(2)求
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9100eadeba8de498bad6bc9189433d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adaead91b4b6febfcdd6f995d81e550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b755ee4dda4a72063c6fba125720a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2971f739c3762cc3dff09242516c1c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7757dac3098323183ed3f8c98c6244.png)
![](https://img.xkw.com/dksih/QBM/2021/7/9/2760651331125248/2778309296865280/STEM/140903369a7f4c31bf2fd888c91921e8.png?resizew=178)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7b02542c53b467d51c9a07ea6fb1d4.png)
您最近一年使用:0次
名校
4 . 如图,在
中,
为线段
上一点,
,
为
的中点.若
,则
( )
![](https://img.xkw.com/dksih/QBM/2021/7/9/2760651331125248/2778309295882240/STEM/63dc231f04484c49a5f58dcc0055c7dc.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a372560e41dbe1a873ac4e75b2a7892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa34c248278e824a8dacb824fe496cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
![](https://img.xkw.com/dksih/QBM/2021/7/9/2760651331125248/2778309295882240/STEM/63dc231f04484c49a5f58dcc0055c7dc.png?resizew=178)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-03更新
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484次组卷
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3卷引用:四川省资阳市2020-2021学年高一下学期期末数学试题
名校
解题方法
5 . 已知直线
与
平行,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe41296357dc4cfe252583c90e03ed58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c860fc4405dca726356644e37d47332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.0或1 | B.1或2 | C.0 | D.1 |
您最近一年使用:0次
2021-08-03更新
|
1167次组卷
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6卷引用:四川省资阳市2020-2021学年高一下学期期末数学试题
四川省资阳市2020-2021学年高一下学期期末数学试题(已下线)专题2.1 直线和圆的方程 章末检测1(易)-【满分计划】2021-2022学年高二数学阶段性复习测试卷(人教A版2019选择性必修第一册)江西省南昌市豫章中学2021-2022学年高二上学期入学调研(A)数学(文)试题云南省巍山彝族回族自治县第二中学2021-2022学年高二上学期第一次月考数学试题四川省绵阳南山中学2022-2023学年高二上学期期中考试理科数学试题河北省高碑店市崇德实验中学2023-2024学年高二上学期10月月考数学试题
名校
6 . 函数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19947afae9e61a57b409feca555479f2.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2021-03-17更新
|
974次组卷
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3卷引用:四川省资阳市2020-2021学年高一上学期期末数学试题
7 . 定义在R上的偶函数
满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e04b4cd16224102ef696222caa56ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46305fedfb17a208a8b4cab7ebceddfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64853454dd85c245f96bd0e11166c4b8.png)
A.![]() | B.![]() | C.2 | D.4 |
您最近一年使用:0次
20-21高三下·四川·阶段练习
名校
解题方法
8 . 若实数
满足
则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e41c71d620bee032c5f2b6dc1c4afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fc838e1477179b36ca7481ee2cc1e8.png)
您最近一年使用:0次
2021-03-07更新
|
232次组卷
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5卷引用:四川省资阳市2020-2021学年高一下学期期末数学试题
四川省资阳市2020-2021学年高一下学期期末数学试题(已下线)四川省大数据精准教学联盟2021届高三第二次统一监测理科数学试题四川省成都市阳安中学2020-2021学年下学期高三第二次统一监测文科数学试题四川省资中县第二中学2022-2023学年高二上学期开学考试理科数学试题四川省宜宾市叙州区第二中学校2023届高三二诊模拟文科数学试题
解题方法
9 . 已知函数
的定义域为
,则函数
的定义域为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499a8449e8bb253065463c23f3ff5860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fd8a3218fa8d75dc18dcfc80908558.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知函数
,若函数
恰有
个零点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45fedf2ac74263986fe8db5df437145e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-02-27更新
|
305次组卷
|
2卷引用:四川省资阳市2020-2021学年高一上学期期末数学试题