题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193402-14370.png)
(1)求点A、B的坐标以及
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193402-97032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193402-84736.png)
(2)没点A、B分别在角
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-57098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-72912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-23157.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-66919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-72174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193404-73908.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193404-70539.png)
解析
试题分析:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193404-54523.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193404-90869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193405-64865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193412-64421.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193413-75042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193413-98966.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193413-84340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193413-51081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193413-49487.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193414-57275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193414-87534.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193414-89200.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193413-51081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193414-96631.png)
因此,点
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193414-69181.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193415-44222.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-66919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-72174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193415-36010.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193415-23359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193415-85809.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193415-84629.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-57098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193403-72912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193416-98364.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193416-62386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193415-23359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193416-89000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193405-64865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193416-95397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193416-47122.png)
点评:本题主要考查了三角函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193416-47122.png)
核心考点
试题【已知函数f(x)="2" sin(0≤x≤5),点A、B分别是函数y=f(x)图像上的最高点和最低点.(1)求点A、B的坐标以及·的值;(2)没点A、B分别在角】;主要考察你对指数函数图象及性质等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193400-29109.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193400-34837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193359-82921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193359-46435.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193359-46177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193359-67192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193359-70670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193359-55442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193359-98178.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193359-99398.png)
A.![]() | B.![]() |
C.(1,2) | D.![]() |
已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193352-62487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193353-18133.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193353-15485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193353-73836.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193353-68336.png)
(2)若对于任意的
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193353-25728.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193353-22515.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193354-39585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193354-39585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193350-90127.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193350-92030.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193350-53333.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193350-36818.png)
A.恒为负值 | B.等于![]() | C.恒为正值 | D.不大于![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193346-50529.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193346-34652.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193346-36333.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193346-82904.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193347-81296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193347-41607.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819193347-97273.png)
A.2 | B.3 | C.![]() | D.![]() |
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