
BÀI 1 TOÁN 11
Authored by Oanh Thuỳ
Mathematics
11th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính sin(30°) là bao nhiêu?
3/4
1/2
1/4
1/3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính cos(45°) là bao nhiêu?
√2/2
0
√3/2
1/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính tan(60°) là bao nhiêu?
0
√2
√3
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình sin(x) = 0.5 trong khoảng [0; 2π]
[π/6, 5π/6]
[0, π/3]
[π/2, 3π/2]
[3π/4, 7π/4]
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính giá trị của sin(90°)
√2
0
1/2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính cos(0°)
-1
1.5
0
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính tan(45°)
2
0
1
1.5
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