Quiz z funkcji trygonometrycznych w trójkącie prostokątnym

Quiz z funkcji trygonometrycznych w trójkącie prostokątnym

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Question 1 of 10

1. Question
Wyznacz sin⁡α,cos⁡α,tg⁡α,ctg⁡α podanego trójkąta
- sin⁡α =
  
  cos ⁡α =
  
  tg ⁡α=
  
  ctg ⁡α=
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Question 2 of 10

2. Question
oblicz:

$2 \sin^2\alpha + 2 \cos^2\alpha$
- =
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Question 3 of 10

3. Question
$\sin^4\alpha + 2 \sin^2\alpha \cdot \cos^2\alpha + \cos^4\alpha$
- =
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Question 4 of 10

4. Question
oblicz:

$\cos\alpha$
- $\frac{6\sqrt{2}}{11}$
- $\frac{11}{6\sqrt{2}}$
- $\frac{11}{7}$
- $\frac{7}{11}$
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Question 5 of 10

5. Question
Wyznacz wartość boku a wiedząc, że sinus kąta alfa równa się √2/2
- 2
- $\sqrt{2}$
- $\frac{1}{2}$
- $\frac{1}{\sqrt{2}}$
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Question 6 of 10

6. Question
Oblicz Wiedząc, że sin⁡α=2/3 i cos⁡α=√5/3
- $\frac{\sqrt{5}}{5}$
- $\sqrt[5]{5}$
- 2
- $\frac{2\sqrt{5}}{5}$
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Question 7 of 10

7. Question
Oblicz tangens kąta α
- $\tan \alpha =$
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Question 8 of 10

8. Question
Oblicz tangens kąta α
- $\tan \alpha =$
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Question 9 of 10

9. Question
Oblicz sinus kąta ostrego wiedząc że cosinus to 2/5
- $\sqrt{\frac{5}{21}}$
- $\frac{5}{\sqrt{21}}$
- $\frac{\sqrt{21}}{5}$
- $\frac{\sqrt{5}}{21}$
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Question 10 of 10

10. Question
Oblicz cosinus kąta ostrego wiedząc, że sinα=4/5
- cos ⁡α =
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