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12 Qs

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Tamnhan mafia

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Assessment

Quiz

Mathematics

Professional Development

Hard

Created by

Nhân Nguyễn

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Đổi từ độ sang rad

1°=π\180°

1°=2π\180°

1°=180°\π

1°=180°/2π

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Đổi từ rad sang độ

1rad=1/π

1rad=180°\π

1rad=π/180

1rad=π\2

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Công thức hệ thức cơ bản

Sin^2a+cos^2a=1

Sina+sinb=1

Sina-sinb=1

1+tan^2=1/cot^2a(a khác π2+kπ,k€r)

1+tan^2=1/cot^2a(a khác π-kπ,k€r)

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Hệ thức cơ bản

1+cot^2a= 1/sin^a(kπ)

1+cota=1/sina

Tana cota=1(kπ/2)

Tana^2.cota^2=1

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Công thức cộng

Cos(a-b)=cosacosb+sinasinb

Cos(a-b)=Cos^2a.cos^2b+sin^2a.sin^2b

Sin(a-b)=sinacosb-cosasinb

Sin(a-b)= sina cosa-cosbsina

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phep tinh nhan

Tan(a+b)=tana-tanb/1+tanatanb

Tan(a+b)=tana-tanb/1-tanatanb

Tan(a+b)=tana+tanb/1-tanatanb

Tan(a+b)=tana+tanb/1+tanatanb

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Sin 2a=

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