trygonometria 2LO

trygonometria 2LO

10th Grade

19 Qs

quiz-placeholder

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trygonometria 2LO

trygonometria 2LO

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Hanna Markiewicz

Used 24+ times

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jedynką trygonometryczną jest:

sinx2 + cosx2 = 1

sinx2 - cosx2 = 1

sinx - cosx = 1

sinx + cosx = 1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

jeżeli sinus kąta α w trójkącie prostokątnym wynosi 0,6 to sinus drugiego kąta ostrego w tym trójkącie jest rowny

0,36

0,4

0,64

0,8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin150 stopni to inaczej....

sin30

-sin30

sin60

cos60

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cos( 1800 α180^{0\ }-\alpha  )=

cos α\alpha  

sin α\alpha  

-cos α\alpha  

-sin α\alpha  

5.

MULTIPLE CHOICE QUESTION

2 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

1 min • 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.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Określ wartość funkcji tangens narysowanego kąta:

-4

4

14\frac{1}{4}

14-\frac{1}{4}

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