题目
题型:解答题难度:一般来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223251-59513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223251-60267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223251-58123.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223252-12239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223252-48472.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223252-91344.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223252-25043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223253-45360.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223253-41213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223253-65981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223252-25043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223253-95514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223254-15479.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223254-58158.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223254-16060.png)
解析
试题分析:(1)根据图像可知
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223254-47067.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223254-33990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223255-21502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223255-11917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223255-71836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223254-47067.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223255-11149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223255-74340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223256-91969.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223256-16854.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223256-42411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223254-58158.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223256-13324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223257-15673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223252-25043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223253-65981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223257-22880.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223257-15673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223257-29660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223257-36656.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223257-73387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223258-93546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223258-86169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223258-33655.png)
试题解析:(1)∵
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223258-51669.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223259-88409.png)
函数
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223252-91344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223259-72128.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223259-43014.png)
由
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223255-74340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223256-91969.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223259-13452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223256-42411.png)
故
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223254-58158.png)
(2)由
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223257-29660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223300-17488.png)
即
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223257-73387.png)
又∵
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223258-93546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223300-74227.png)
由
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223300-69434.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223258-86169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223258-33655.png)
核心考点
试题【已知函数的部分图象如下图,其中是的角所对的边.(1)求的解析式;(2)若中角所对的边,,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/20190829/20190829223243-13108.png)
A.π,1 | B.π,2 | C.2π,1 | D.2π,2 |
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223236-53881.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223236-43297.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223236-94234.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223236-94234.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223237-33961.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223230-47285.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223136-30255.png)
(1)把
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223136-12059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223136-57244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223137-93188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223136-12059.png)
(2)说出
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223137-42953.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223137-89564.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223118-54105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223118-56101.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223118-54949.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223118-29648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223118-86481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223119-87947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223119-15274.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223119-18569.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223119-34376.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223120-56317.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223120-78656.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223120-93191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223120-15877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223121-85844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190829/20190829223121-73178.jpg)
最新试题
- 1.---Was the manager angry with you when he saw you playing c
- 2甲、乙两溢水杯放在实验桌上,分别盛满水和酒精,酒精的密度为0.8×103kg/m3。将密度为0.9×103kg/m3的小
- 3No potatoes for me—I’m _______ a diet. A.atB.inC.onD.with
- 4随着生产力的发展和社会的进步,逐渐产生了社会组织。人类社会早期出现的社会组织是[ ]A.母系氏族社会B.父系氏族
- 5阅读理解。 Mary is six years old now. This autumn she begins
- 6阅读下面的文字,完成后面题。中国人的精神辜鸿铭中国人身上有种难以形容的东西。我已经把这种难以形容的东西概括为温良。如果我
- 7我国第一颗人造地球卫星发射成功是在[ ]A.1975年B.1970年C.1966年D.1964年
- 8在如图所示的四个实例中,目的是为了增大磨擦的是[ ]A.B.C.D.
- 9下列各组词语中加点字的读音,完全正确的一组是A.忖度(cǔn)粗犷 (kuàng) 溯源(sù)怙(hù)恶不悛B.打烊
- 10如图:AB是⊙O的直径,AC是⊙O上一条弦,AC在AB下方,在⊙O上存在一点D。(1)(如图(a)),当D点在O点在正上
热门考点
- 1(8分)有A、B、C、D四种短周期元素,其原子序数依次增大。A、B可形成A2B和A2B2两种化合物,B、C同主族且可形成
- 2下列各句中不含通假字的一项是[ ]A、朝成绣夹裙,晚成单罗衫 B、今若遣此妇,终老不复取 C、箱帘六七十,绿碧青
- 3— What’s the matter? — The shoes don’t fit properly. They__
- 4下列变化中,属于化学变化的是 A.蒸发食盐水B.冰雪融化C.干冰升华D.木柴燃烧
- 5中西科技成果比较问题:(10分)(1)根据图示,指出3世纪以来中西方在科技发展史上的不同趋势。(2分)(2)根据图示并结
- 6如图是实验室制二氧化碳,并检验它的性质的装置,请对照装置图回答:(1)装置A处反应的方程式______.(2)_____
- 7Chinese actor Liao Fan won the Silver Bear for Best Actor at
- 877. According to Property Inheritance Law, the farm shall
- 9春天气候转暖,青蛙进行繁殖。试分析青蛙的繁殖行为。(11分)(1)雄蛙在水边高声鸣叫,这是___________行为。(
- 10如图是一个不完整的正方体平面展开图,需再添上一个面,折叠后才能围成一个正方体.下面是四位同学补画的情况(图中阴影部分),