Прямоугольные треугольники
Authored by Valentina Bugakova
Mathematics
9th Grade
Used 24+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
а = 5, с = 13 Найти sin α.
13/5
5/13
5/12
12/5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a = 5, с = 12 найти cosβ
12/5
5/13
5/12
13/5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a = 5, b = 12 найти tgβ
5/12
5/13
12/13
12/5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a = 5, b = 12 найти tgα
5/12
5/13
12/13
12/5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a = 5, b = 12 найти cosα
5/12
5/13
12/13
12/5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a = 5, b = 12 найти sinβ
5/12
5/13
12/13
12/5
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
sin β = 1/2. Найдите β
450
300
600
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