1:1  03-01[数学]李老师帮你巩固三角函数公式
推荐理由：灵活看待已知角和所求角之间的关系是处理三角变换的关键，如果还能将结构特征与角的特征有机结合，就能找到最简洁的处理方法． 讲解人：李颖，数学高级教师，北京市中青年骨干教师 题面： 
【答案及详解】 本部分内容设定了隐藏,需要回复后才能看到 三角变换公式很多，所以解决题目的方法往往不唯一，灵活看待它们才能找到最简洁的方法。 |
|
|
![20天大作战[2015]](https://bbs.jd100.com/attachment/medal/cec543c13f7ea1b.jpg "20天大作战[2015]"){kind=small}
![20天大作战[2014]](https://bbs.jd100.com/attachment/medal/465e7ccd53045d5.png "20天大作战[2014]"){kind=small}
![28天勇士[春]](https://bbs.jd100.com/attachment/medal/13d5b846139de25.png "28天勇士[春]"){kind=small}
![21天勇士[春]](https://bbs.jd100.com/attachment/medal/557cbed59379b9b.png "21天勇士[春]"){kind=small}
![14天勇士[春]](https://bbs.jd100.com/attachment/medal/0a2a8be87813938.png "14天勇士[春]"){kind=small}
![7天勇士[春]](https://bbs.jd100.com/attachment/medal/7b734d35544b9d3.png "7天勇士[春]"){kind=small}
![28天勇士[寒假]](https://bbs.jd100.com/attachment/medal/f7cb21a2bdf0790.jpg "28天勇士[寒假]"){kind=small}
![21天勇士[寒]](https://bbs.jd100.com/attachment/medal/cda474e823b15b8.jpg "21天勇士[寒]"){kind=small}
![14天勇士[寒]](https://bbs.jd100.com/attachment/medal/9aacf8cc0ea8134.jpg "14天勇士[寒]"){kind=small}
![7天勇士[寒]](https://bbs.jd100.com/attachment/medal/3ae915c994fd934.jpg "7天勇士[寒]"){kind=small}
![勇不止步[春]](https://bbs.jd100.com/attachment/medal/f783eb36b20a4e2.jpg "勇不止步[春]"){kind=small}
![勇不止步[夏]](https://bbs.jd100.com/attachment/medal/d81a441ef64b068.jpg "勇不止步[夏]"){kind=small}
![7天勇士[暑]](https://bbs.jd100.com/attachment/medal/8ad8dbd20210831.jpg "7天勇士[暑]"){kind=small}
![14天勇士[暑]](https://bbs.jd100.com/attachment/medal/ccbd3226d78250f.jpg "14天勇士[暑]"){kind=small}
![21天勇士[暑]](https://bbs.jd100.com/attachment/medal/63814ff34bb2a24.jpg "21天勇士[暑]"){kind=small}
![28天勇士[暑]](https://bbs.jd100.com/attachment/medal/e87f38d2f0151f0.jpg "28天勇士[暑]"){kind=small}
![35天勇士[暑]](https://bbs.jd100.com/attachment/medal/bdf9a316a9af31b.jpg "35天勇士[暑]"){kind=small}
![42天勇士[暑]](https://bbs.jd100.com/attachment/medal/a0f25f6f396ba8a.jpg "42天勇士[暑]"){kind=small}
![49天勇士[暑]](https://bbs.jd100.com/attachment/medal/611dbeb8ac74943.jpg "49天勇士[暑]"){kind=small}
|
沙发#
发布于：2016-06-28 22:40
答案哈哈哈哈哈
|
|
|
板凳#
发布于：2015-08-15 07:46
题目。。。。
|
|
|
地板#
发布于：2015-08-08 10:34
..
 |
|
|
4楼#
发布于：2015-07-08 09:45
6?????
|
|
|
5楼#
发布于：2015-06-12 10:39
xuexi
|
|
|
|
6楼#
发布于：2015-06-08 19:27
jjjjjjjjjjjhhhhhhhhhhh
|
|
|
7楼#
发布于：2015-05-02 15:24
hbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
|
|
|
8楼#
发布于：2015-04-16 19:35
 |
|
|
|
9楼#
发布于：2015-04-15 17:30
呵呵
看看答案 |
|
上一页
下一页
