题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-40160.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-89411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-18279.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-71495.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-87172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-27081.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-94927.png)
(2) 根据正弦函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-18313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104224-50985.png)
试题分析:(1)由
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104224-21928.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104224-22566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104224-56467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-71495.png)
因为
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104224-86078.png)
=
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104225-43847.png)
=
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104225-77163.png)
=
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104225-83400.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104224-56467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104225-55670.png)
(2)函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-18313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104225-43608.png)
由
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104226-73917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104226-89405.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104224-56467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-27081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104223-94927.png)
点评:此类型题平时的练习中出现得较多,做题非常容易入手. 难度较低,
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104209-67505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104209-21783.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104209-51964.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104209-67505.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104210-28313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104210-68880.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104210-78924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104211-32419.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104152-42370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104153-40799.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104153-88139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104153-61064.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104153-48466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104154-62302.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104154-36645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104154-15158.png)
(2)求二面角
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104154-81520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104154-97717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104138-85256.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104138-63424.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104138-41183.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104138-85256.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104138-85256.png)
(3)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104139-32428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104139-42574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104114-88655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104114-58322.png)
(Ⅰ)试用含
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104115-32229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104115-24179.png)
(Ⅱ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104115-23600.png)
(Ⅲ)令
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104115-67523.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104115-23600.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104115-17881.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104116-88840.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104116-16792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104115-23600.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104116-91902.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104116-50992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104105-28741.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018104106-24795.png)
最新试题
- 1根据牛顿运动定律,以下选项中正确的是 [ ]A.人只有在静止的车厢内,竖直向上高高跳起后,才会落在车厢的原来位置
- 2【题文】设函数 ,若,则的取值范围是( ) A.B.C.D.
- 3用正三角形和正六边形按如图所示的规律拼图案,即从第二个图案开始,每个图案都比上一个图案多一个正六边形和两个正三角形,则第
- 4作文:(35分)一个窗台上有一朵红花,这个屋子就有生气了;一棵树上开了一朵花,这棵树就成熟了;一个路旁绽放一朵花,这条路
- 51919年5月18日,陈独秀发表文章说:“(日本)又要侵害我们的山东,这是我们国民全体的存亡问题,应该发挥民族自卫的精神
- 6某工厂要在规定时间内生产360件产品,为争取时间,实际工作时,每天比原计划多生产了20%的产品,结果提前3天完成任务,若
- 7南极是世界上最冷的地方,常年平均气温是﹣25℃,如图所示,一天企鹅妈妈与小企鹅之间发生了一次有趣的对话,他们的部分说法如
- 8My friend Martin was very sick with a strange fever; _______
- 9 必须坚持一切从实际出发,实事求是的哲学依据是 [ ]A.我国社会主义初级阶段的基本国情
- 10如图,在△ABC中,∠B=70°,DE是AC的垂直平分线,且∠BAD:∠BAC=1:3,则∠C的度数是 ________
热门考点
- 1已知复平面上的点集M={z
- 2阅读下面的材料,根据要求写一篇不少于800字的文章。 著名电视节目主持人白岩松在重庆大学的一次演讲中,遇到这样一个问题
- 3下面这幅摄影作品展现的是林书豪在比赛中扣篮的瞬间,请为之拟写解说词,要求至少运用一种修辞方法,对画面进行生动的介绍。不超
- 41793年初,法国国王路易十六在革命高潮中被送上断头台。与这一事件相联系,下列说法正确的是 A.从此法国废除了君主制B.
- 5随着实际情况的变化,我国社会管理理念思路、体制机制、法律政策、方法手段等方面还存在很多不适应的地方,解决社会管理领域存在
- 6如图为某型号电烤箱内部电路简化图,其中R1、R2为电热丝,阻值分别为22Ω,88Ω。分析电路可知当开关S断开时,电烤箱处
- 7下列各组国家,均属巴西陆上邻国的是[ ]A.墨西哥、阿根廷、哥伦比亚B.智利、玻利维亚、乌拉圭C.古巴、委内瑞拉
- 8下列各句中,没有语病的一句是( )A.自然界中存在着一种共生现象,如燕千鸟从鳄鱼牙中啄取水蛭,为鳄鱼提供口腔卫生服
- 9—I called you yesterday, _____ nobody answered it. Where ___
- 10翻译文中画横线的句子。(1)永元中,举孝廉不行,连辟公府不就。时天下承平日久,自王侯以下莫不逾侈。译文:(2)虽一龙发机