题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142142-62740.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142142-18417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142143-47733.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142144-40561.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142144-25458.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142144-91484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142144-27818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142144-21004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142145-35282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142144-25458.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142142-18417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142145-75587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142145-30858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142145-92045.png)
核心考点
试题【函数为奇函数,且在上为减函数的值可以是( )A.B. C.D.】;主要考察你对任意角三角函数的概念等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142119-92869.png)
(1)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142119-44248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142119-41530.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142119-78977.png)
(2)若存在
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142120-58909.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142120-46525.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142120-11435.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142023-80161.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142023-13406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142023-93323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142024-66721.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142023-80161.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142024-34166.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142024-86337.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822142024-86337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141902-40317.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141902-49992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141903-54769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141903-93389.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141903-90518.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141904-98540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141904-36497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141904-16897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141904-72542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141904-65261.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141904-47842.jpg)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141905-56462.png)
(2)若在湖泊内修建如图所示的矩形水上乐园
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141905-69381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141905-40398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141902-49992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141844-49259.png)
(I)当
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141845-67271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141845-98987.png)
(II)设
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141845-53834.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141845-50319.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141845-66718.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141846-36024.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141846-28485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141846-75865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141846-33877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141814-73451.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141814-74165.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141814-37516.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141815-39671.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141815-61725.png)
(Ⅱ)在锐角
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141815-20035.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141815-72050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141815-40679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141816-89036.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141815-20035.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141816-48402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822141815-20035.png)
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