
Khám Phá Tỉ Số Lượng Giác
Authored by Hướng Đỗ
Others
9th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính sin 30 độ.
1
0.25
0.75
0.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính cos 45 độ.
1/√2
0
√3/2
√2/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính tan 60 độ.
1
0
√3
√2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sử dụng bảng tỉ số lượng giác để tìm sin 90 độ.
1
-1
1.5
0.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sử dụng bảng tỉ số lượng giác để tìm cos 0 độ.
0
1
-1
1/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong tam giác vuông, nếu một cạnh kề bằng 4 và cạnh huyền bằng 5, tính sin của góc kề.
0.8
0.4
0.6
1.0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong tam giác vuông, nếu một cạnh đối bằng 3 và cạnh huyền bằng 5, tính cos của góc đối.
0.8
0.6
0.4
1.0
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