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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

單元10乙+單元11甲乙_小考
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

θϕ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 = 513\frac{5}{13}  ,θ為銳角,則cos(90° − θ ) = 1213\frac{12}{13}  。

O

X

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 θtanθ=sinθcosθ若θ為銳角,則\tanθ=\frac{\sin\theta}{\cos\theta} 

O

X

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 tanθ=34若\tanθ=\frac{3}{4} ,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θϕ的同界角。

O

X

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