解题方法
1 . 计算:
(1)
;
(2)已知
,求
的大小.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be9644202dfb46b1bac9c3876d2a2af.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f19507cf5987f80ae5f5748d7c3a881b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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解题方法
2 . 已知向量
,
,
.
(1)求
的值;
(2)若
,
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ef28b622ad5cc2f7c9ca11ec8e27ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824141e39fdd1f53b3cd28bda5f53b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b28d64bf554a26f7d031f90689ffea2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abc69c57972a4efb8301e3308ea9ca6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a009ce821e3add1f56315dd54826307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8730262dbda445dffe5e8d72bc1079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)试问曲线
经过怎样的变换可以得到曲线
?
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292f10249609de4b24419588b6ccc32.png)
(1)试问曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80e8d2d66b432fd2b8a2830ba21e5dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024360a85f10da0c8f02d4960d4abf4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf089c4c25406ab9350373f6177b640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ee744db4c3351614c5604829f82e87.png)
您最近一年使用:0次
解题方法
4 . 已知
,向量
绕着
点顺时针方向旋转
角得到
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91948e94b65a6caf3bbeaa63d484b821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7239b3f2d88c2e45e17e5de9ae1a332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb4713985fd15713e52c5001059345c.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
解题方法
5 . 已知
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2570f629ab53627825b55a4f7f14ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258f7dd295360a0fa22a811dcffa3ac1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-08-08更新
|
824次组卷
|
4卷引用:湖北省仙桃市田家炳实验高级中学2022-2023学年高一下学期期中数学试题
湖北省仙桃市田家炳实验高级中学2022-2023学年高一下学期期中数学试题(已下线)专题24 新高考数学模拟卷(一)(已下线)专题4.1 同角三角函数关系式、诱导公式与三角恒等变换【八大题型】贵州省六盘水市第四中学2023-2024学年高一下学期第一次月考数学试卷
名校
解题方法
6 . 已知
,
,
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be2e0a0816bc26d430622d24909ef97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a077ceccea768ed3c664d38d55242fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fe19e8725a3c1689007b0ada3af643.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29ff2aeae28765cf5a348aef4e506b6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
您最近一年使用:0次
2023-08-06更新
|
355次组卷
|
3卷引用:江苏省徐州市铜山区2022-2023学年高一下学期期中数学试题
解题方法
7 . (1)证明:;
![](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/ef582149603970540b13e6a6e5d58435.png)
(ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2264c134952d41fb9bcb90e6c72c83.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fca31088ca7d4606d8e1954d71185da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-08-02更新
|
257次组卷
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2卷引用:山东省威海市2022-2023学年高一下学期期末数学试题
8 . 下列计算中正确的是( ).
A.![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.设![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知
,
,则
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc24f140f87430b6686723e80d9bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc6b45707a6facf409f9d1e245a8239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
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2023-07-27更新
|
360次组卷
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2卷引用:福建省福州市八县(市)协作校2022-2023学年高一下学期期中联考数学试题
名校
10 . 在△ABC中,若
,则△ABC是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78bd4a8a50df1703ef5c35f7ef1d51bc.png)
A.等边三角形 | B.等腰直角三角形 |
C.等腰三角形 | D.直角三角形 |
您最近一年使用:0次
2023-07-21更新
|
697次组卷
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5卷引用:江西省峡江中学2022-2023学年高一下学期期末教学质量检测数学试题(甲卷)
江西省峡江中学2022-2023学年高一下学期期末教学质量检测数学试题(甲卷)(已下线)5.5.2 简单的三角恒等变换精讲-【题型分类归纳】(人教A版2019必修第一册)(已下线)专题10.3几个三角恒等式-重难点突破及混淆易错规避(苏教版2019必修第二册)(已下线)第8章:向量的数量积与三角恒等变换章末重点题型复习(2)-【帮课堂】(人教B版2019必修第三册)陕西省汉中市留坝县中学2023-2024学年高一下学期阶段性学习效果评估(五月月考) 数学试卷