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高一補強數學小考-2

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

高一補強數學小考-2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. ( )因為40° < 50°,

所以cos40° < cos50°。

O

X

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. 若直角△ABC~直角△A'B'C'

且∠C =∠C' = 90°,則sinA = sinA'

O

X

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

O

X

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4.設直角三角形中,有一銳角為20°,

則sin20°的值與所取的三角形大小無關。

O

X

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5.tanθ=345.若\tanθ=\frac{3}{4}  

,則sinθ = 3,cosθ = 4。

O

X

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. 若0° < θ < 45°,則sinθ < cosθ < tanθ

O

X

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. θϕ皆為銳角,且θ + ϕ = 90°,則sinθ = cosϕ

O

X

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