名校
解题方法
1 . 已知
,
满足①
,且
,②
两个条件中的一个,则
的一个值可以为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b994996d7b81d392f87d61cd90e4813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2337b945e5d549f9d297a4db24d17d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2fadcdcec250a8cc0badc4abfe8be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955d2ff8665838673fb7bef6dda2beaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c1f914da4657eca7865982b130b299.png)
您最近一年使用:0次
2022-11-18更新
|
488次组卷
|
11卷引用:陕西省西安市长安区2022-2023学年高一上学期期末数学试题
陕西省西安市长安区2022-2023学年高一上学期期末数学试题(已下线)专题5.10 三角恒等变换(重难点题型检测)-2022-2023学年高一数学举一反三系列(人教A版2019必修第一册)(已下线)模块二 专题4 《三角函数恒等变换》单元检测篇 B提升卷 (北师大版)河南省驻马店经济开发区高级中学等2022-2023学年高三上学期11月联考文科数学试题江苏省扬州市宝应县安宜高级中学2022-2023学年高三上学期第三次阶段考试数学试题江苏省镇江市扬中市第二高级中学2022-2023学年高三上学期期末考前热身数学试题河南省驻马店开发区高级中学等2023届高三上学期11月联考理科数学试题(已下线)模块三 专题2 题型突破篇 小题进阶提升练(4)期末终极研习室(2023-2024学年第一学期)高三湖北省襄阳市部分学校2022-2023学年高三上学期期中数学试题江苏省苏州外国语学校2022-2023学年高三上学期第二次阶段测试数学试题云南省部分名校2023届高三上学期11月联考数学试题
2 . 两角和与差的正切公式
名称 | 公式 | 简记符号 | 条件 |
两角和的正切公式 | tan(α+β)= | α,β,![]() | |
两角差的正切公式 | tan(α-β) = | α,β,![]() |
您最近一年使用:0次
3 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292d729b44dd285370df8b0d4ca4f83.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fcb79b9d457166d45e2d63bd681091.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005fa32731cd8290847a115f78b42efa.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c634aa65493615fbb40f1352a88c5aa3.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea16125a2b2462fc9a5d8e943c32cda.png)
_________ =___________ =___________ .即![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea16125a2b2462fc9a5d8e943c32cda.png)
_______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb3a59161b58a1e6577faa9fe1fe31.png)
___________ =___________ =___________ ,即![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb3a59161b58a1e6577faa9fe1fe31.png)
_________
.
说明:①
公式的适用范围是使公式两边有意义的角的取值范围;②
公式的变形:
;③
公式也可以用“
”代替
公式中的“
”得到.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292d729b44dd285370df8b0d4ca4f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fcb79b9d457166d45e2d63bd681091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005fa32731cd8290847a115f78b42efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c634aa65493615fbb40f1352a88c5aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea16125a2b2462fc9a5d8e943c32cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea16125a2b2462fc9a5d8e943c32cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188ce338b5f2c98859c3cd97a733fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb3a59161b58a1e6577faa9fe1fe31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb3a59161b58a1e6577faa9fe1fe31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4b950fb705ecc88a6dd23025fa4942.png)
说明:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a852333c078188b21ba71d8a0623c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a852333c078188b21ba71d8a0623c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2396b1f05fca90236fa2417923e52d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b4e7bc66e91b1d5c270b6c7a0aa571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03fb21c8b2e63f2861bfa8278283b75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd2dc6bf0aeb45fa764a21864f5d0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
4 . 复习两角和的正弦、余弦、正切公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292d729b44dd285370df8b0d4ca4f83.png)
___________
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005fa32731cd8290847a115f78b42efa.png)
___________
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea16125a2b2462fc9a5d8e943c32cda.png)
__________
,注意:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292d729b44dd285370df8b0d4ca4f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb429ed20b07e9bfb0806fff8a6f27a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005fa32731cd8290847a115f78b42efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d65b103befcac098977aec07f4623df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea16125a2b2462fc9a5d8e943c32cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188ce338b5f2c98859c3cd97a733fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5281f19d2e69fdf725a0dc13f701aacf.png)
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2022高一上·全国·专题练习
5 . 在
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3677d684bc776a7634d15dabf823d127.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0559048405eed3e83abd16cca28a9c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3677d684bc776a7634d15dabf823d127.png)
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解题方法
6 . 如图所示,设计一种测量建筑物
高度的方法.
,
,
三点在同一条水平基线上,在
,
两点处用测角仪器测得的仰角分别为
,
,
米,若测角仪器高度忽略不计,当建筑物高度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
__________ 米时,角
的值最大.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](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/a3094a525bf01e017760385f93b2a490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927b4b5a7875528c1b54aa4bb8b2dd.png)
![](https://img.xkw.com/dksih/QBM/2022/5/25/2987010527412224/2988279555096576/STEM/46906bba9a82402b8f9cfdc9f0805a67.png?resizew=206)
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21-22高一·全国·课后作业
7 . 两角和与差的正弦、余弦、正切公式
展开式 | 记法 | |
两角和的余弦 | ![]() | ![]() |
两角和的正弦 | ![]() | ![]() |
两角差的正弦 | ![]() | ![]() |
两角和的正切 | ![]() | ![]() |
两角差的正切 | ![]() | ![]() |
您最近一年使用:0次
解题方法
8 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7394789dce8ae68f1358283c1d79bc6.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0032557f7cb3852b800c4eef0ed8d682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f7cd1822f2279f526b28b53126cb31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7394789dce8ae68f1358283c1d79bc6.png)
您最近一年使用:0次
解题方法
9 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbd44d7bea3460e4912277c82bb918c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d59142ab797807e560fe8adf63e6ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbd44d7bea3460e4912277c82bb918c.png)
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2021-12-03更新
|
594次组卷
|
7卷引用:5.5.1 两角和与差的正弦、余弦和正切公式-2021-2022学年高一数学考点讲解练(人教A版2019必修第一册)
(已下线)5.5.1 两角和与差的正弦、余弦和正切公式-2021-2022学年高一数学考点讲解练(人教A版2019必修第一册)(已下线)专题5.6 两角和与差的正弦,余弦和正切公式-《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)专题05 三角恒等变换-2021-2022学年高一《新题速递·数学》(人教A版2019)2023版 湘教版(2019) 必修第二册 过关斩将 第2章 综合拔高练天津市部分区2021-2022学年高三上学期期中数学试题(已下线)10.1 两角和与差的三角函数 -2021-2022学年高一数学10分钟课前预习练(苏教版2019必修第二册)甘肃省张掖市2021-2022学年高一下学期期末数学试题
10 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b729f3bcad3527fd911eb71de25a64f9.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579caafab6d26fb86305c93991bc4a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b729f3bcad3527fd911eb71de25a64f9.png)
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