Evaluare sumativă. Funcții și formule trigonometrice.

Evaluare sumativă. Funcții și formule trigonometrice.

10th Grade

30 Qs

quiz-placeholder

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Evaluare sumativă. Funcții și formule trigonometrice.

Evaluare sumativă. Funcții și formule trigonometrice.

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Natalia Pelevaniuc

Used 61+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 sin(α+β)=\sin(\alpha+\beta)=  

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

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

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

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

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 cos(α+β)=\cos(\alpha+\beta)=  

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

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

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

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

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 tg(α+β)=tg(\alpha+\beta)=  

 (tgα+tgβ)(1tgαtgβ)\frac{(tg\alpha+tg\beta)}{(1-tg\alpha tg\beta)}  

 (tgαtgβ)(1tgαtgβ)\frac{(tg\alpha-tg\beta)}{(1-tg\alpha tg\beta)} 

 (1tgαtgβ)(tgα+tgβ)\frac{(1-tg\alpha tg\beta)}{(tg\alpha+tg\beta)}  

 (1+tgαtgβ)(tgα+tgβ)\frac{(1+tg\alpha tg\beta)}{(tg\alpha+tg\beta)}  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 sinα+sinβ=\sin\alpha+\sin\beta=  

 2sinα+β2cosαβ22\sin\frac{\alpha+\beta}{2}\cos\frac{\alpha-\beta}{2}  

 2sinαβ2cosα+β22\sin\frac{\alpha-\beta}{2}\cos\frac{\alpha+\beta}{2}   

 2cosα+β2cosαβ22\cos\frac{\alpha+\beta}{2}\cos\frac{\alpha-\beta}{2}  

 2sinα+β2sinαβ2-2\sin\frac{\alpha+\beta}{2}\sin\frac{\alpha-\beta}{2}  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 sin(αβ)=\sin(\alpha-\beta)=  

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

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

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

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

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 cos(αβ)=\cos(\alpha-\beta)=  

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

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

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

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

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 tg(αβ)=tg(\alpha-\beta)= 

(tgα+tgβ)(1tgαtgβ)\frac{(tg\alpha+tg\beta)}{(1-tg\alpha tg\beta)}

 (tgαtgβ)(1+tgαtgβ)\frac{(tg\alpha-tg\beta)}{(1+tg\alpha tg\beta)} 

(1tgαtgβ)(tgα+tgβ)\frac{(1-tg\alpha tg\beta)}{(tg\alpha+tg\beta)}

(1+tgαtgβ)(tgα+tgβ)\frac{(1+tg\alpha tg\beta)}{(tg\alpha+tg\beta)}

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