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三角函數公式小小考 1

Authored by 宋宥松 宋宥松

Mathematics

11th Grade

Used 10+ times

三角函數公式小小考 1
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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

sinA=?

ab\frac{a}{b}  

ac\frac{a}{c}  

bc\frac{b}{c}  

ba\frac{b}{a}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

cosA=?

ab\frac{a}{b}  

ac\frac{a}{c}  

bc\frac{b}{c}  

ba\frac{b}{a}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

tanA=?

ab\frac{a}{b}  

ac\frac{a}{c}  

bc\frac{b}{c}  

ba\frac{b}{a}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin⁡2θ+cos⁡2θ=?\sin^2\theta+\cos^2\theta=?  (平方關係)

−1-1  

0

1

22\frac{\sqrt[]{2}}{2}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tan⁡θ\tan\theta  可以代換成? (商數關係)

sin⁡θcos⁡θ\frac{\sin\theta}{\cos\theta}  

cos⁡θsin⁡θ\frac{\cos\theta}{\sin\theta}  

sin⁡θcos⁡θ\sin\theta\cos\theta  

cot⁡θ\cot\theta  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin⁡(900−θ)\sin\left(90^0-\theta\right)  可以代換成? (餘角關係)

1sin⁡θ\frac{1}{\sin\theta}  

tan⁡θ\tan\theta  

sin⁡θ\sin\theta  

cos⁡θ\cos\theta  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin⁡300=?\sin30^0=?  

12\frac{1}{2}  

22\frac{\sqrt[]{2}}{2}  

32\frac{\sqrt[]{3}}{2}  

3\sqrt[]{3}  

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