
Ôn Toán

Quiz
•
Mathematics
•
11th Grade
•
Medium
Hương Giang
Used 1+ times
FREE Resource
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các hàm số sau đây hàm số nào là hàm số tuần hoàn?
y=sinx
y=x+sinx
y= xcosx
y=sinx/x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mệnh đề nào sau đây là sai
Hàm số y=sinx tuần hoàn với chủ kì 2π
Hàm số y=tanx tuần hoàn với chu kì 2π
Hàm số y=cosx tuần hoàn với chủ kì 2π
Hàm số y=cotx tuần hoàn với chu kì π
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nghiệm của pt cosx=1 là :
x=kπ
x=π/2+k2π
x=k2π
x=π/2+kπ
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nghiệm của pt sinx=1 là
x=-π/2+k2π
x=π/2+kπ
x=kπ
x=π/2+k2π
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 0<a<π/2 Mệnh đề nào sau đây đúng?
Cos a>0
Tan a<0
Cot a <0
Sin a<0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đo theo đơn vị rad của góc 315°
7π/2
7π/4
2π/7
4π/7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các mệnh đề sau đây mệnh đề nào đúng
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