
單元10乙+單元11甲乙_小考
Authored by 縣立田中高中林佳慧 縣立田中高中林佳慧
Mathematics
10th Grade
Used 3+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若θ與ϕ皆為銳角,且θ + ϕ = 90°,則sin2θ + cos2ϕ = 1。
O
X
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin240° + sin250° = 1。
O
X
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若sinθ = ,θ為銳角,則cos(90° − θ ) = 。
O
X
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
。
O
X
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
,則sinθ = 3,cosθ = 4。
O
X
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1500°的最小正同界角為60°。
O
X
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
對於任意廣義角ϕ,都能找到唯一的θ(0° ≤θ < 360°),使得θ為ϕ的同界角。
O
X
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