Trigiometrija- I razred IT

Trigiometrija- I razred IT

9th Grade

7 Qs

quiz-placeholder

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Trigiometrija- I razred IT

Trigiometrija- I razred IT

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Desa Ilić

Used 1+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Odredi dužinu x na slici

4

5

4,5

7,42

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Odrediti dužinu hipotenuze na slici

4,19

3,9

5,3

4,91

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Odrediti dužinu stranice x na slici

7,5

13,23

12,4

9,81

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ako je  sinα=725\sin\alpha=\frac{7}{25}  odredi  tgαtg\alpha  .

 2425\frac{24}{25}  

 725\frac{7}{25}  

 724\frac{7}{24}  

 247\frac{24}{7}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cosxctgx+tgxcosx\frac{\cos x}{\operatorname{ctg}x}+tgx\cdot\cos x

Uprosti izraz:

ctgx\operatorname{ctg}x

2cosx2\cos x

cos x\cos\ x

2sinx2\sin x

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Uprosti izraz:sin3x+sinxcosxUprosti\ izraz:\sin^3x+\sin x\cdot\cos x  


 sinx\sin x  

 sin2x\sin^2x  

 cos2x\cos^2x  

 2 cosx2\ \cos x  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (sinx+cosx)2+(sinxcosx)2\left(\sin x+\cos x\right)^2+\left(\sin x-\cos x\right)^2  

Uprosti izraz:

 2sinxcosx2\sin x\cos x  

 2sinx2\sin x  

 2cosx2\cos x  

2