
三角比挑戰
Authored by KI Man LEE
Mathematics
9th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
計算 sin(30°) 的值是多少?
1
0.75
0.25
0.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求x的值。(答案準確至三位有效數字)
3.105
3.10
46.4
46.36
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求x的值。(答案準確至三位有效數字)
4.57
4.568
5.47
5.473
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
計算 cos(60°) 的值是多少?
0.5
-0.5
0.25
1.0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
28.9°
28.955°
61.0°
61.045°
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求 θ 的值。(答案準確至三位有效數字)
41.6°
48.4°
27.3°
62.7°
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
計算 tan(45°) 的值是多少?
1
0
-1
1.5
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