Hàm số y = cosx/(2sinx- √3) có tập xác định là
ôn tập chương 1 toán đại số 11

Quiz
•
Mathematics
•
11th Grade
•
Hard

minh tuan
Used 59+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
R\{π/3+k2π, k ∈ Z}
R\{π/6+kπ, k ∈ Z}.
R\{π/6+k2π, 5π/6+k2π, k ∈ Z}
R\{π/3+k2π, 2π/3+k2π, k ∈ Z}
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hàm số y = tan(x/2 - π/4) có tập xác định là
R\{π/2+k2π, k ∈ Z}
R\{π/2+kπ, k ∈ Z}
R\{3π/2+k2π, k ∈ Z}
R
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tập xác định của hàm số y = cot(2x - π/3) + 2 là
R\{π/6+kπ, k ∈ Z}.
R\{π/6+k2π, k ∈ Z}
R\{5π/12+kπ/2, k ∈ Z}
R\{π/6+kπ/2, k ∈ Z}
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hàm số y = sinxcos2x là:
Hàm chẵn
Hàm không có tính chẵn, lẻ.
Hàm không có tính tuần hoàn.
Hàm lẻ
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong các hàm số sau, hàm số nào là hàm lẻ?
y = sin^2x
y = sin^2x.cosx.
y = tanx/cosx.
y = cotx/sinx.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong các hàm số sau, hàm số nào là hàm chẵn?
y=tan2x/(tan^2 x +1)
y = sinx.cos2x
y = cosx.sin^2x
cosxsin^3x.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình sinx = cosx có số nghiệm thuộc đoạn [0;π] là
1
4
5
3
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