皮皮学，免费搜题
登录
搜题
【简答题】
已知f（x）=2cos（ωx+φ）+b，对于任意的实数x，f（ π 4 -x）=f（x）成立，且f（ π 8 ）=-1，则实数b的值为______．
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】听力原文： French police say they have narrowly headed off a new bomb attack and arrested a man of ficials call a key figure in a three month wave of bombings. Police seized bomb components in the Northern...
A.
he has planted a bomb in Lille
B.
he is going to plant a bomb in Lille
C.
he was instructed over the phone to plant a bomb in Lille
D.
he instructed others to plant a bomb in Lille
【单选题】听力原文： French police say they have narrowly headed off a new bomb attack and arrested a man officials call a key figure in a three-month' wave of bombings. Police seized bomb components in the Northern...
A.
Algeria
B.
Lille
C.
Pads
D.
London
【单选题】—Hey,Kelin.Happy New Year! ___________? —OK,I guess.My grandma kept cooking and cooking,so I just kept eating.
A.
How was your break
B.
How is your grandma
C.
Where did you go for holiday
D.
What did you do in your holiday
【单选题】听力原文： Palestinian police have arrested six members of the militant Islamic Resistance Movement (Hamas) in connection with a bomb explosion earlier this week at a controversial Jewish housing project, ...
A.
A bomb explosion at a military site.
B.
An explosion at a Jewish housing project.
C.
An attack against Palestinian residents.
D.
A boarder dispute with Jewish residents.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
