题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041558-52146.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041558-43505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041559-15537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041559-64527.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041559-86149.png)
(Ⅱ)设
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041559-97209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041600-42856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041600-40901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041600-19974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041600-38729.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041559-15537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041558-52146.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041601-14404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041558-43505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041601-52309.png)
(Ⅱ)如图,连接
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041601-46337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041601-35396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041601-21018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041602-97682.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041602-76313.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041602-46732.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041603-14703.png)
解析
核心考点
试题【函数,,的一部分图像如图所示,其中,为图像上的两极值点.(Ⅰ)求的值;(Ⅱ)设,其中与坐标原点重合,求的值.】;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/20190911/20190911041549-27029.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041549-27029.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041549-23469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041549-17156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041549-91949.png)
A.![]() | B.-![]() | C.![]() | D.-![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041545-75282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041546-36212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041546-22102.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041539-99147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041540-24537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041540-59577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041540-43384.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041540-79089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041532-61257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041532-48650.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041532-44561.png)
(1)求tan(
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041533-81940.png)
(2)求sin
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041533-52550.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041533-81940.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041533-81940.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041533-52550.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041533-51233.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041507-13478.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041508-63594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041508-42371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041508-67916.png)
(1)如果
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041508-42371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041508-67916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041508-29487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041509-40464.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041509-62420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041509-58574.png)
(2)在(1)的条件下,求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041509-87656.png)
(3)已知点
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041510-94084.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041510-30850.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041510-57200.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041510-31047.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911041510-69456.png)
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