
Bài 3: Tỉ số lượng giác Quiz
Quiz
•
Mathematics
•
9th Grade
•
Easy
Hải Nguyễn
Used 1+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Viết công thức của sin và cos trong tam giác vuông
sin(a) = đối/huyền, cos(a) = kề/huyền
sin(a) = kề/huyền, cos(a) = đối/huyền
sin(a) = kề/huyền, cos(a) = đối/kề
sin(a) = huyền/kề, cos(a) = kề/đối
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tính giá trị của tan 60 độ
1
√3
4
2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sử dụng máy tính để tính cos 45 độ
0.7071
0.866
1.414
0.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chuyển đổi sin 30 độ sang dạng cos
cos(60°)
cos(120°)
cos(45°)
cos(90°)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tính giá trị của cot 45 độ
3
4
2
1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chuyển đổi tan 45 độ sang dạng cot
cot 50 độ
cot 30 độ
cot 45 độ
cot 90 độ
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tính sin 90 độ bằng máy tính
1
3
2
0.5
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