1 . 若
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3744ee15af01a8e7c0f126edb5f68132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83cd6285c508108a62f0c20cec7cac9.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.当![]() ![]() |
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解题方法
2 . 已知
且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7df95946cee4b82824d7e1767c38c60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e14434f10cace8040946534aa1a2bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.![]() | B.![]() | C.![]() | D.3 |
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3 . 已知
,且
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0955a9768dd7a11a9f1202eba814a6a7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92852189b59df2d81484fa33ff0f9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d394016b9fecac73f38cbc4ff18dee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0955a9768dd7a11a9f1202eba814a6a7.png)
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名校
解题方法
4 . 已知
,且
是第三象限角,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebaad097d72229aa0de42e1fe0206ee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef70f4a784bc212bd2cc7b55ce86482.png)
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解题方法
5 . 若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c50a0367a96faa9a98569102161ace3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0958ab89aff0a53208ccf299063a57d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-24更新
|
1622次组卷
|
7卷引用:山东省泰安市2024届高三下学期高考模拟((三模))数学试题
山东省泰安市2024届高三下学期高考模拟((三模))数学试题山东省菏泽市2024届高三下学期模拟预测数学试题(三)河南省三门峡部分名校2024届高三下学期高考模拟考试(一)数学试题江西师范大学附属中学2024届高考第三次模拟测试数学试题(已下线)专题05 高一下期末考前必刷卷03-期末考点大串讲(人教A版2019必修第二册)(已下线)高一数学期末模拟试卷02-《期末真题分类汇编》(北师大版(2019))(已下线)专题05 三角恒等变换的8种常考题型归类-期末真题分类汇编(北师大版2019必修第二册)
名校
6 . 在
中,
,
,
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8641de131e86041bb4cee948569cdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1469989af1c27f3ac325dc0b36489747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-04-22更新
|
1553次组卷
|
2卷引用:2024届山东省德州市第一中学高三三模数学试题
解题方法
7 . (1)已知
,且
是第二象限角,求
和
.
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf24ce696b370121c4fbc928e3694943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a215561d0017328105f6412f4e7cd89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
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解题方法
8 . 设
,
,则下列等式正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f55b8836b41be612a52ca9caf97006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32780f5f23cd69199845776cbd53deba.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
9 . 若△ABC内角A,B,C所对的边分别为a,b,c,已知
,
,
,则
的值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b86d43790babcdbbdc03493ee70928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e563e032dfdef69b0f357060c27bd4.png)
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名校
10 . 已知角
的顶点与原点
重合,始边与
轴的非负半轴重合,终边在直线
上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ac1756e6cc3266bd7198a024f871af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2b8dae45cd30a752aedb1ca66c30a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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