名校
解题方法
1 . 已知
,
均为锐角,
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d15b377e37c9e0fcbfce046148bdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd5b9259a2a3a3be7a9cbb72589c0bb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7951b7201b6d46a9ead0955adb61bfb6.png)
您最近一年使用:0次
2022-07-21更新
|
1168次组卷
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3卷引用:辽宁省葫芦岛市2021-2022学年高一下学期期末数学试题
2 . 已知函数
.
(1)求函数
的单调增区间;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009c8cfc1dec4bb27a2fe928b788d998.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe3a27d487837056cd423611d2f01d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbff617c5daaa59ba8bab75f5d85dd73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
您最近一年使用:0次
2022-07-21更新
|
745次组卷
|
4卷引用:四川省眉山市2021-2022学年高一下学期期末数学(理)试题
名校
解题方法
3 . 在
中,内角
所对的边分别为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306a3cb0a8436e1b372037c7204a9714.png)
.
(1)求
的值;
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde673f328a29e84a0991c8eb45bacc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306a3cb0a8436e1b372037c7204a9714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df17a3286514653b6bf45cf8aa809195.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988b7e964e313579ab8869d67d5be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2022-07-15更新
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524次组卷
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2卷引用:福建省福州市八县(市、区)一中2021-2022学年高一下学期期末联考数学试题
4 . (1)已知
,
,且
,求
;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6b1670b2b446ace5bc12d7385b8e78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06864c79a4a289cb3d17f9f34c1ee76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6659ee24daa8fd4283e1077def819937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df9575f14703e8d509816f6375a1bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243288f8315e8ea94bda2ec3fec6a984.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db9bff61ea982def4f236f992f34b38.png)
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2022-07-14更新
|
551次组卷
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2卷引用:四川省成都市金牛区2021-2022学年高一下学期期末考试数学(理科)试题
名校
5 . 在
中,角
所对的边为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d81258504e21deabb5569918dbecd80.png)
(1)求角
的大小;
(2)设向量
,试求
的最小值.
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d81258504e21deabb5569918dbecd80.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2c914b130add15151f8eb2e3749578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2356d562e4e5f11e018bf7d408eb1bf.png)
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2022-07-14更新
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3卷引用:广西桂林市2021-2022学年高一下学期期末质量检测数学试题
6 . 在
中,
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8fdd949f792112ff3e83e03d9e8b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fab1a56861208ea40b1e2300234780.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-07-12更新
|
685次组卷
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4卷引用:山东省枣庄市2021-2022学年高一下学期期末数学试题
山东省枣庄市2021-2022学年高一下学期期末数学试题山东省临沂市费县实验中学2021-2022学年高一下学期期末数学试题(已下线)模块四 专题1 小题入门夯实练(2)(人教B)广东省东莞市石竹实验学校2022-2023学年高一下学期6月月考数学试题
解题方法
7 . 已知在△ABC中,内角A,B,C的对边分别为a,b,c,且
.
(1)若
,求B;
(2)若
,
,求△ABC的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec518e182ee3fc360300fcd9051d46c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e1bd4f72b3edd9647378d1191857fa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec45e8559a47962488ebac949cded79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413f9851aad373d782ae62b308f1de85.png)
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名校
解题方法
8 . 知A是锐角,且满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65638250fdbd0f94d96f0b245061434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3e6df9a889e2b813db89383b6ac2ed.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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2022-07-07更新
|
547次组卷
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2卷引用:四川省遂宁中学校2021-2022学年高一下学期期末适应性训练数学(理)试题(二)
名校
9 . 已知
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478cc0c6d448ee7305b58a958ee1719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01f758821bb7fb03de1b3e1d973c6d16.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-07-07更新
|
1241次组卷
|
4卷引用:广东省汕尾市2021-2022学年高一下学期期末数学试题
广东省汕尾市2021-2022学年高一下学期期末数学试题辽宁省铁岭市六校协作体2021-2022学年高二下学期期末联考数学试题(已下线)10.1 两角和与差的三角函数1-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)陕西省西安市高新第一中学2023-2024学年高一下学期期中考试数学试题
解题方法
10 . 求值:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ff77671367d4046648b35b8a2223bf.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ff77671367d4046648b35b8a2223bf.png)
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