Wykorzystując dane na rysunku, wyznacz cosα:
Powtórzenie z trygonometrii

Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
Zuzanna Żurek
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
a/b
b/a
b/c
a/c
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Biorąc pod uwagę rysunek, wyznacz wzór na cos(90°-α)
a/b
c/a
b/c
a/c
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kąt α jest ostry i tgα=1. Wówczas
α < 30°
α = 30°
α = 45°
α > 45°
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Wiadomo, że cosα= ¼. Wówczas sin(90°- α) wynosi ¼.
Prawda
Fałsz
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Spójrz na wykres, na zielono zaznaczono kąt α, ile wynosi tgα?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Spójrz na wykres, na zielono zaznaczono kąt α, ile wynosi sinα?
-0,8
0,6
-0,6
0,8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wartość wyrażenia (sin134°-cos44°)2 wynosi:
0
1
1,5
0,5
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