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高一Chp06平测(B)

Authored by ONG HUI王靖惠

Mathematics

10th Grade

Used 4+ times

高一Chp06平测(B)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

如图所示,下列何者叙述有误?

sin A=ac\sin\ A=\frac{a}{c}

cos A=bc\cos\ A=\frac{b}{c}

tan B=ab\tan\ B=\frac{a}{b}

sin B=bc\sin\ B=\frac{b}{c}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下何者等同于 cosec A\operatorname{cosec}\ A  ?

 1sin A\frac{1}{\sin\ A}  

 1cos A\frac{1}{\cos\ A}  

 1tan A\frac{1}{\tan\ A}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下何者等同于 sec A\sec\ A  ?

 1sin A\frac{1}{\sin\ A}  

 1cos A\frac{1}{\cos\ A}  

 1tan A\frac{1}{\tan\ A}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下何者等同于 cot A\cot\ A  ?

 1sin A\frac{1}{\sin\ A}  

 1cos A\frac{1}{\cos\ A}  

 1tan A\frac{1}{\tan\ A}  

5.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

在直角三角形ABC中,若 cos A=513\cos\ A=\frac{5}{13}  ,求 tan A\tan\ A  的值。
[答案可用“分子/分母”或小数点表示]

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos 30°=?\cos\ 30\degree=?  

 12\frac{1}{2}  

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin 45°=?\sin\ 45\degree=?  

 12\frac{1}{2}  

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

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