
Phương Trình Lượng Giác Cơ Bản
Authored by Thanh Nguyễn
Mathematics
11th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình sin(x) = 0.5 trong khoảng [0; 2π].
[π/6, 5π/6]
[π/2, 3π/2]
[0, π/3]
[3π/4, 7π/4]
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm nghiệm của phương trình cos(x) = -1 trong khoảng [0; 2π].
π/2
0
3π/2
π
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình tan(x) = √3 trong khoảng [0; 2π].
[π/4, 3π/4]
[0, π/2]
[π/3, 4π/3]
[π/6, 5π/6]
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm nghiệm của phương trình sin(2x) = 0.5 trong khoảng [0; 2π].
π/4
3π/4
[π/12, 5π/12, 13π/12, 17π/12]
7π/4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình cos(2x) = 0 trong khoảng [0; 2π].
π/2
3π/2
["π/4", "3π/4", "5π/4", "7π/4"]
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm nghiệm của phương trình sin(x) + 1 = 0 trong khoảng [0; 2π].
2π
3π/2
π
π/2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình tan(x) - 1 = 0 trong khoảng [0; 2π].
7π/4
3π/4
π/2
["π/4", "5π/4"]
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