题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021833-27395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021833-40725.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021834-46636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021834-51052.png)
①求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021834-53433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021834-35670.png)
②求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021834-46636.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-77361.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-93771.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-79633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-32707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021836-15622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021836-82211.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021836-46788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021834-53433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021834-35670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021836-72468.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021837-28493.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021837-97781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021837-97781.png)
⑴
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021837-55546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021837-67747.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021837-86989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021838-58337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021838-34365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-79633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021838-10328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-79633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-77361.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-93771.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-79633.png)
⑵
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021838-22025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021839-94390.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021839-16068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021839-76244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021839-45201.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021839-88828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021840-74655.png)
正弦定理得
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021840-64220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021840-16224.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021840-15381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021841-10856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021841-57277.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021841-58814.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021841-36527.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021841-10856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021841-54897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021842-36175.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-97620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021835-32707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021836-15622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021836-82211.png)
核心考点
试题【已知函数的图象过,且内角A、B、C所对应边分别为a、b、c,若 ①求的值及的单调递增区间②求的面积。】;主要考察你对正弦函数的图象与性质等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021829-42580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021829-72654.jpg)
A.![]() | B.![]() |
C.![]() | D.![]() |
画出函数y=2sin(
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021813-57524.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021814-57042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021813-57524.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021814-57042.png)
列表:
x | | | | | |
![]() | | | | | |
![]() | | | | | |
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021814-89320.jpg)
变化流程图:(在箭头上方写出变化程序)
Sinx
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021814-60731.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021815-87342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021814-60731.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021815-40636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021814-60731.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021815-32586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021806-31308.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021806-60413.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021807-17780.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021807-32505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021807-54598.png)
(Ⅰ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021807-78111.png)
(Ⅱ)将函数
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021807-78111.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021807-35317.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021808-29007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021808-70177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021759-52511.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021759-20499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021759-84476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911021755-44204.png)
A.0,3 | B.![]() | C.![]() | D.0 , 1 |
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