您所在的当前位置：高中数学试题 >

任意角三角函数的概念

> 已知函数f（x）=sin（πx- π 2 ）-1，则下列命题正确的是（　　） A．f（x）是周期为1的奇函数 B．f（x）是周期为2的偶函数 C．f（x）是周期为1的非奇非偶函数 D．f（x）是周期为2的非奇非偶函数

问题：

发布时间：2024-09-09

已知函数f（x）=sin（πx-

π

2

）-1，则下列命题正确的是（　　）

A．f（x）是周期为1的奇函数

B．f（x）是周期为2的偶函数

C．f（x）是周期为1的非奇非偶函数

D．f（x）是周期为2的非奇非偶函数

参考答案：

提问用户：ve***ynK

可能感兴趣的题目：

1 下面各项中，适宜应用遥感技术的是（） A．人口普查 B．台风定位 C．飞行导航 D．确定某点高程
2 It was with the help of the local guide ________ the mountain climber was rescued. A．who B．that C．when D．how
3 如图给出的是计算 1 2 + 1 4 + 1 6 +…+ 1 2008 的值的一个算法流程图，则其中判断框内应填入的条件是______．
4 物体放在光滑水平面上，在水平恒力F作用下由静止开始运动，经时间t通过的位移是s。如果水平恒力变为2F，物体仍由静止开始运动，经时间2t通过的位移是 A．s B．2s C．4s D．8s
5 某无色溶液中能大量共存的一组离子是 [ ] A．H+、Ba2+、HCO3-、Cl- B．K+、Fe3+、I-、NO3- C．NH4+、Al3+、Cl-、NO3- D．Mg2+、SO42-、SiO32-、H+
6 如图所示，在光滑的水平面上，两木块紧挨在一起，质量分别为m 1、m 2，水平飞来的子弹先后射穿m 1、m 2，射穿时间分别为t 1和t 2，木块对子弹的阻力恒定.则子弹穿透两木块后，两木块的速度之比 =_____________.
7 在周长为16的中，，则的取值范围是（） A． B． C． D．
8 读世界主要国家轮廓图，回答问题 1.图中属于发达国家的是2.人口超过10亿的国家是3.因金字塔而闻名于世的国家是4.有 “足球王国”之称的国家是5.世界第一长河流经的国家是6.世界最大的热带雨林位于哪个国家 A.A B.B C.C D.D E.A F.B G.C H.D I.A G.B C D A B C D A B C D A B C D
9 阅读理解。 We have all experienced days when everything goes wrong. A day may begin well enough, but suddenly everything seems to get out of control. It seems as if a single unimportant event may cause a number of things to happen. Let us suppose that you are preparing a meal and keeping an eye on the baby at the same time. The telephone rings and this means your troubles are beginning. While you are on the phone, the baby pulls the table-cloth off the table, destroying your half prepared meal. You hang up hurriedly and attend to your baby. Meanwhile, the meal gets burnt. As if this were not enough to bring you to tears, your husband arrives, unexpectedly bringing three guests to dinner. Things can go wrong on a number of people on the road. During the rush hour one evening two cars hit each other and both drivers began to argue. The woman driver behind the two cars happened to be a learner. She suddenly go into a panic (恐慌) and stopped her car. This made the driver following her stop suddenly. His wife was sitting beside him holding a large cake. As she was thrown forward, the cake went right through the window and landed on the road. Seeing a cake flying through the air, a truck-driver had to stop his truck all of a sudden. The truck was carrying empty beer bottles and hundreds of them slid off the back of the truck on to the road. This led to yet another angry argument. Meanwhile, the traffic piled up behind. It took the police nearly an hour to get the traffic on the move again. In the meanwhile, the truck-driver had to sweep up hundreds of broken bottles. Only two dogs were enjoying themselves from the accident, for they were happily having what was left of the cake. It was just one of those days! 1. According to the author"s opinion, ____. A. a small matter may cause great trouble B. accidents may happen anytime C. troubles always come in groups D. anyone may have trouble any day 2. When the telephone rings,____. A. you"d better have your baby a little distant from your table before answering it B. your trouble is sure to come C. you"d better just let it ring all the way D. you should never go to answer it in a hurry 3. What did the police do after the accident? A. They helped the driver clean up the road. B. They helped the drivers to go on with their journey. C. They tried to stop the people from arguing. D. They would find out who should be responsible 4. From the story we can see ____. A. such accidents are rather common B. such accidents are rather strange C. no one can explain why such accidents happen D. some drivers are too careless
10 进行自驾车旅游，为准确到达目的地，最便捷的途径是利用(　　) A．遥感技术 B．全球定位系统 C．地理信息系统 D．数字地球

已知函数f（x）=sin（πx- π 2 ）-1，则下列命题正确的是（ ） A．f（x）是周期为1的奇函数 B．f（x）是周期为2的偶函数 C．f（x）是周期为1的非奇非偶函数 D．f（x）是周期为2的非奇非偶函数

可能感兴趣的题目：

已知函数f（x）=sin（πx-

π

2

）-1，则下列命题正确的是（　　）

A．f（x）是周期为1的奇函数

B．f（x）是周期为2的偶函数

C．f（x）是周期为1的非奇非偶函数

D．f（x）是周期为2的非奇非偶函数