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三角函數的圖形

Mathematics

11th Grade

Used 3+ times

三角函數的圖形
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

請問下列哪一個是正弦函數的定義域?

A. x ∈ R

B. y ∈ R

C. x ∈ [0, 2π]

D. y ∈ [−1, 1]

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

根據正弦函數 y = sin x 的圖形,請問其值域為何?

A. y ∈ R

B. y ∈ [−1, 1]

C. y ∈ [0, 2π]

D. y ∈ [−π, π]

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

觀察正弦函數 y = sin x 的圖形,請問其對稱於哪一條直線?

A. x = 0

B. x = π

D. y = 0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

正弦函數 y = sin x 的對稱性可由什麼公式得知?

A. sin(−x) = −sin x

B. sin(−x) = sin x

C. sin(x) = cos x

D. sin(x) = −cos x

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

請問正弦函數的頻率是什麼意思?

頻率表示單位時間內事件重複發生的次數,即週期的倒數。

頻率是波的最大值與最小值之間的差。

頻率是波的起點到終點的距離。

頻率是波的速度與時間的乘積。

6.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

將 y = sinx 水平伸縮 2 倍、鉛直伸縮 3 倍後,新函數為 y = ______。

y = 2sin(3x)

y = sin(2x) + 3

y = 3sin2x

7.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

C. 1

D. 2

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