1 . (1)已知角
,且
,求
的值;
(2)已知
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4010c46620dc646c2f13c6ce4ce8b68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddfb219f388dfcacac47e9956303011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17ca1e9283fc7ac1b1e427ef0310fc2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141879f62b349e3532af603cffb1afb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3e39667944e047592fa84dec4da0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad735f28d4a7b9a5e5f9271c895bf20.png)
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解题方法
2 . (1)已知
,
,且
,求
的值;
(2)在
中,三内角
,
,
满足:
,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/ed53925cace8212e87a4d3bad6463718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd813767c3263437ee6e96a1ab75bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837fa04d9af213e212801721b4d0d761.png)
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3 . 下列计算中正确的是( ).
A.![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.设![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
4 . 已知函数
.
(1)求
的最小正周期;
(2)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a95a2ff61e0ccb88823a68ceeb1d150.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f041e45e00b71ff9773d2412e5de2d8.png)
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解题方法
5 .
中,内角
的对边分别为
的外接圆半径为
,已知
.
(1)求
;
(2)已知
的平分线交
于点
,从以下三个条件中选择两个,使
唯一确定,并求
和
的长度.
条件①:
;条件②:
;条件③:
.
![](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/718b5b48053888ab3b234b8cb56a0fc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534d444b8fed030c0b156251045646cb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a81ae53fe745db10478e49777450f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d5c4c1018ef84146168ca349678fda.png)
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6 . 已知
为坐标原点,点
,
,
,
,
,则下列选项中的等式恒成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824252476627836b28c2604ee0ba4f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1445468b79b0e1d714577672c18ac6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a1ca9002cfc55c229daf63184e25b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339aedbb39e317d5d441dcc7637f2ab3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
7 . 已知
,
,其中
.
(1)求
的值;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccca802bfeba75279951dbc183eeda72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7be4fa397130725bb550b19a5cb4ea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ca44563b74c7b8a61e6d62fa04f960.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
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2023-01-29更新
|
718次组卷
|
6卷引用:期末押题测试卷(二)-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)
(已下线)期末押题测试卷(二)-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)上海市格致中学2021-2022学年高一下学期3月月考数学试题安徽省六安市舒城中学2019-2020学年高一下学期第一次月考数学(文)试题(已下线)第07讲 两角和与差的三角函数(已下线)第6章 三角(1)(A卷·知识通关练)-【单元测试】2022-2023学年高一数学分层训练AB卷(沪教版2020必修第二册)(已下线)10.1 两角和与差的三角函数-【题型分类归纳】2022-2023学年高一数学同步讲与练(苏教版2019必修第二册)
名校
解题方法
8 . 已知函数
在
时取得最大值,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6701e02c0045f484f370875a6e26face.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19099ff9ce1b01be72e4535e600aeb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43281032dcc6d258e3e0382e40360423.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-22更新
|
570次组卷
|
6卷引用:江苏省邳州市宿羊山高级中学2021-2022学年高一下学期第一次学情检测数学试题
江苏省邳州市宿羊山高级中学2021-2022学年高一下学期第一次学情检测数学试题山东省莱西市第一中学2022-2023学年高一下学期第一次月考数学试题(已下线)高一数学下学期第一次月考模拟试卷(三角函数+平面向量+解三角形)-【题型分类归纳】2022-2023学年高一数学同步讲与练(人教A版2019必修第二册)(已下线)10.2 二倍角的三角函数-【题型分类归纳】2022-2023学年高一数学同步讲与练(苏教版2019必修第二册)(已下线)专题03 两角和与差的三角函数-期中期末考点大串讲(苏教版2019必修第二册)山东省滕州市第五中学2022-2023学年高一下学期5月月考数学试题
解题方法
9 . 设
的三个内角
,
,
所对的边分别为
,
,
,若
是边
上一点,且
,
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.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/d39b6bef27de230acad352f25e954f4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff29971ccc633d89832ffa9bd54afa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8098662a0d1e4fdd765c615fc2dc2ffa.png)
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10 . 已知
,且
是第二象限角.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf24ce696b370121c4fbc928e3694943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f021a65c471011ee58a992ec8bf79f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1ac68aa01c4bfbeef78b366075ae3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b986672a23ad322d79e9e18c5d3bc0c.png)
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