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三角函數小小考2

Authored by 宋宥松 宋宥松

Mathematics

10th Grade

Used 9+ times

三角函數小小考2
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

有向角規定"逆時針"轉的為

正角

負角

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 若 α\alpha  和 β\beta  互為同界角,則 α−β\alpha-\beta  的值"不"可能為下列何者?

3600360^0  

7200720^0  

108001080^0  

1800180^0  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

如圖, P(−4,3)P\left(-4,3\right)  為 θ\theta  終邊上的一點,則 sin⁡θ=?\sin\theta=?  

35\frac{3}{5}  

−45\frac{-4}{5}  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

如圖, P(−4,3)P\left(-4,3\right)  為 θ\theta  終邊上的一點,則 cos⁡θ=?\cos\theta=?  

35\frac{3}{5}  

−45\frac{-4}{5}  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

如圖, P(−4,3)P\left(-4,3\right)  為 θ\theta  終邊上的一點,則 tan⁡θ=?\tan\theta=?  

  −43-\frac{4}{3}  

−34-\frac{3}{4}   

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

若 θ\theta  為第二象限角,則 sin⁡θ\sin\theta 為 

正的

負的

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

若 θ\theta  為第三象限角,則 cos⁡θ\cos\theta 為 

正的

負的

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