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11H1 Hè

Authored by Tín Trung

Mathematics

11th Grade

Used 1+ times

11H1 Hè
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68 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Góc có số đo 135°135\degree đổi sang radian là :

4π3\frac{4\pi}{3}  

3π4\frac{3\pi}{4}  

5π6\frac{5\pi}{6}  

3π5\frac{3\pi}{5}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Góc có số đo 1800180^0  đổi sang rađian là:

π\pi  

π2\frac{\pi}{2}  

π18\frac{\pi}{18}  

2π2\pi  

3.

MULTIPLE SELECT QUESTION

30 sec • 2 pts

10=1^0=  

180πrad\frac{180}{\pi}rad  

π180rad\frac{\pi}{180}rad  

π rad\pi\ rad  

180rad180rad  

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Cho hai góc nhọn α\alpha  và β\beta phụ nhau. Hệ thức nào sau đây là sai?

cot⁡α=tan⁡β\cot\alpha=\tan\beta  

cos⁡α=sin⁡β\cos\alpha=\sin\beta  

cos⁡β=sin⁡α\cos\beta=\sin\alpha  

cot⁡β=−tan⁡α\cot\beta=-\tan\alpha  

5.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

Cho tan⁡α=2\tan\alpha=2 . Tính giá trị của biểu thức G=2sin⁡α+cos⁡αcos⁡α−3sin⁡αG=\frac{2\sin\alpha+\cos\alpha}{\cos\alpha-3\sin\alpha}

1

-1

−45\frac{-4}{5}

−65\frac{-6}{5}

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Công thức nào sau đây SAI

tan⁡x=sin⁡xcos⁡x\tan x=\frac{\sin x}{\cos x}  

cot⁡x=cos⁡xsin⁡x\cot x=\frac{\cos x}{\sin x}  

tan⁡x.cot⁡x=1\tan x.\cot x=1  

sin⁡x=1−cos⁡x\sin x=1-\cos x  

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Media Image

Chon dap an dung

A

B

C

D

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