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Trygonometria

Authored by Karolina Faszczewska

Mathematics

12th Grade

CCSS covered

Used 282+ times

Trygonometria
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Przeciwprostokątna x wynosi

6

nie da się obliczyć

pierwiastek z 3

2 pierwiastki z 2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

sin150 stopni to inaczej....

sin30

-sin30

sin60

cos60

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

sin60°=

12\frac{1}{2}

1

3\sqrt{3}

32\frac{\sqrt{3}}{2}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

cos( 1800 α180^{0\ }-\alpha  )=

cos α\alpha  

sin α\alpha  

-cos α\alpha  

-sin α\alpha  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Wiadomo, że  α(90°,180°) i cos2α=49\alpha\in\left(90\degree,180\degree\right)\ i\ \cos^2\alpha=\frac{4}{9} . Zatem:

 tgαsinα=56tg\alpha\sin\alpha=\frac{5}{6}  

 tgαsinα=65tg\alpha\sin\alpha=\frac{6}{5}  

 tgαsinα=65tg\alpha\sin\alpha=-\frac{6}{5}  

 tgαsinα=56tg\alpha\sin\alpha=-\frac{5}{6}  

6.

OPEN ENDED QUESTION

5 mins • Ungraded

Kąt  α\alpha  jest rozwarty i  tgα=512. Oblicz cosα. tg\alpha=-\frac{5}{12}.\ Oblicz\ \cos\alpha.\   Wynik zapisz w postaci a/b.

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7.

OPEN ENDED QUESTION

5 mins • Ungraded

 Kąt α ostry i  sinα+cosα=72.Kąt\ \alpha-\ ostry\ i\ \ \sin\alpha+\cos\alpha=\frac{\sqrt{7}}{2}.  Oblicz wartość wyrażenia  sinαcosα\sin\alpha\cos\alpha . Wynik zapisz w postaci a/b

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Tags

CCSS.HSF.TF.B.7

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