名校
1 . 已知
,
,
,
,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046387911745f43ff3b6804ea58eb26a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d33a1054fd28b4a731a41dabc6697b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/688d64a9a4050c695595a04578254537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0a8cb37f794d3ef9e9c633e6858bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
2022-08-26更新
|
1632次组卷
|
4卷引用:江苏省南京市六校联合体2022-2023学年高三上学期8月联合调研数学试题
名校
解题方法
2 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c695f92b12313757fb735009498413.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6eec7d75a66a4407631f75320bb8b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2331c755ff3034217ea3d9f45b25f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c695f92b12313757fb735009498413.png)
您最近一年使用:0次
2022-08-22更新
|
1024次组卷
|
3卷引用:二倍角公式
解题方法
3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
____________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2b8dae45cd30a752aedb1ca66c30a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2b8dae45cd30a752aedb1ca66c30a.png)
您最近一年使用:0次
2022-08-22更新
|
152次组卷
|
2卷引用:苏教版(2019) 必修第二册 一课一练 第10章 三角恒等变换 10.3 几个三角恒等式
解题方法
4 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406e743c9b8430a19c38aec2ba7c122f.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ec8f71ac52dbc4e572c161972db998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406e743c9b8430a19c38aec2ba7c122f.png)
您最近一年使用:0次
2022-08-22更新
|
239次组卷
|
2卷引用:苏教版(2019) 必修第二册 一课一练 第10章 三角恒等变换 单元检测
名校
解题方法
5 . 已知
为锐角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4551f779836e1b9ccce1c36a3b5acd2.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0134d57e0c86a60b58226a8dfc105269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4551f779836e1b9ccce1c36a3b5acd2.png)
您最近一年使用:0次
2022高一上·全国·专题练习
解题方法
6 . 若
,则
的值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b344ceb9bd0629f5a9a23ce82e9107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910827e48aaefb1b15f4495e2c001684.png)
您最近一年使用:0次
2022高一上·全国·专题练习
解题方法
7 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ff9e7fc93b47a2556190d7f7c4cc90.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c06f335e4b3faf014fa21a36bc16136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ff9e7fc93b47a2556190d7f7c4cc90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02afb6613b182e45f56cd05e5fe838c.png)
您最近一年使用:0次
2022高一上·全国·专题练习
8 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac3c0aa2067e0a72eef30fe24d77c73.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5caabda288fc01cc168938846eec5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750303cc97d19b55b5acbc9f162909c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac3c0aa2067e0a72eef30fe24d77c73.png)
您最近一年使用:0次
2022高一上·全国·专题练习
解题方法
9 . 若
,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ea44a396cc0f8350af931491152d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a059d37fc921826be38648d4100a36c.png)
您最近一年使用:0次
解题方法
10 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75b4094ee80419b829fbf03d698e3ab.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2951162e784390344378e4c279b7ab54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75b4094ee80419b829fbf03d698e3ab.png)
您最近一年使用:0次
2022-07-13更新
|
1385次组卷
|
4卷引用:二倍角公式