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Тригонометрия формулалары

Authored by Ернур Абил

Mathematics

1st - 3rd Grade

Used 46+ times

Тригонометрия формулалары
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin2x+cos2x=

0

-1

1

2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos(α+β)=\cos\left(\alpha+\beta\right)=  

 cosαcosβsinαsinβ\cos\alpha\cos\beta-\sin\alpha\sin\beta  

 cosαcosβ+sinαsinβ\cos\alpha\cos\beta+\sin\alpha\sin\beta  

 sinαcosβcosαsinβ\sin\alpha\cos\beta-\cos\alpha\sin\beta  

 sinαcosβ+cosαsinβ\sin\alpha\cos\beta+\cos\alpha\sin\beta  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(αβ)=\sin\left(\alpha-\beta\right)=  

 sinαcosβ+cosαsinβ\sin\alpha\cos\beta+\cos\alpha\sin\beta  

 cosαcosβcosαsinβ\cos\alpha\cos\beta-\cos\alpha\sin\beta  

 sinα+sinβ\sin\alpha+\sin\beta  

 sinαcosβcosαsinβ\sin\alpha\cos\beta-\cos\alpha\sin\beta  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin30°=\sin30\degree=  

1

 12\frac{1}{2}  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sinαcosα=\frac{\sin\alpha}{\cos\alpha}=  

 ctgα\operatorname{ctg}\alpha  

 ctgβ\operatorname{ctg}\beta  

 tgαtg\alpha  

 tgβtg\beta  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1+tg2α=1+tg^2\alpha=  

 1cos2α\frac{1}{\cos^2\alpha}  

 1sin2α\frac{1}{\sin^2\alpha}  

 1+cos2α1+\cos^2\alpha  

 1+sin2α1+\sin^2\alpha  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(3π2+α)=\sin\left(\frac{3\pi}{2}+\alpha\right)=  

 sinα-\sin\alpha  

 sinα\sin\alpha  

 cosα\cos\alpha  

 cosα-\cos\alpha  

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