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Archi associati

Authored by Lucia Rizzotti

Mathematics

11th Grade

Used 9+ times

Archi associati
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sen(α)=?sen\left(-\alpha\right)=?  

 cosα\cos\alpha  

 senαsen\alpha  

 cosα-\cos\alpha  

 senα-sen\alpha  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sen(π2α)=?sen\left(\frac{\pi}{2}-\alpha\right)=?  

 cosα\cos\alpha  

 senα-sen\alpha  

 senαsen\alpha  

 cosα-\cos\alpha  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sen(π2+α)=?sen\left(\frac{\pi}{2}+\alpha\right)=?  

 cosα\cos\alpha  

 senα-sen\alpha  

 senαsen\alpha  

 cosα-\cos\alpha  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

quale angolo associato è mostrato in figura?

πα\pi-\alpha

π+α\pi+\alpha

π2α\frac{\pi}{2}-\alpha

π2+α\frac{\pi}{2}+\alpha

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 tg(π+α)=?tg\left(\pi+\alpha\right)=?  

 tgα-tg\alpha  

 1+tgα1+tg\alpha  

 tgαtg\alpha  

 ctgα\operatorname{ctg}\alpha  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 sen(α)+cos(πα)=sen\left(-\alpha\right)+\cos\left(\pi-\alpha\right)=  

 senα+cosαsen\alpha+\cos\alpha  

 senα+cosα-sen\alpha+\cos\alpha  

 (senα+cosα)-\left(sen\alpha+\cos\alpha\right)  

 senαcosαsen\alpha-\cos\alpha  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  tg(π2α)tg (α)=?\ tg\left(\frac{\pi}{2}-\alpha\right)\cdot tg\ \left(-\alpha\right)=?  

 11  

 1-1  

 cosα\cos\alpha  

 senαsen\alpha  

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