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數學測驗2(06/09)

Authored by 柳冠賢 柳冠賢

Mathematics

University

Used 2+ times

數學測驗2(06/09)
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7 questions

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1.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

 請問下列何者 130°130\degree 的同位角(複選題)。

 230°-230\degree  

 130°-130\degree  

 490°490\degree  

 570°570\degree  

2.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

請問 sin(180°θ)=?\sin\left(180\degree-\theta\right)=?  

 sinθ\sin\theta  

 sinθ-\sin\theta  

 cosθ\cos\theta  

 cosθ-\cos\theta  

3.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

請問 cos(180°θ)=?\cos\left(180\degree-\theta\right)=?  

 sinθ\sin\theta  

 sinθ-\sin\theta  

 cosθ\cos\theta  

 cosθ-\cos\theta  

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 sin45°=?\sin45\degree=?  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

 12\frac{1}{2}  

 00  

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 cos30°=?\cos30\degree=?  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

 12\frac{1}{2}  

 00  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 tan90°=?\tan90\degree=?  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

 不存在

 00  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

根據廣義角三角比之定義,請問 sinθ\sin\theta  在下列哪些象限之值為正數? (多選題)

第一象限

第二象限

第三象限

第四象限

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