
三角比:特殊角(1)
Authored by Wai Man Yeung
Mathematics
7th - 9th Grade
Used 12+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin 30° cos 30° tan 30° =
。
。
。
。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求2 cos θ = 1 的銳角θ
30°
45°
60°
90°
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若 3 tan (θ + 15°) = ,則銳角θ =
60°。
45°。
30°。
15°。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求 tan θ = 的銳角 θ 。
30°
45°
60°
90°
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圖中的 x 。
4
6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圖中的 θ。
90
60
45
30
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圖中的 x 。
12
9
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