
тест 9 класс
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Этотаккаунт Длявыступления
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
А1. В прямоугольном треугольнике отношение противолежащего катета к гипотенузе - это
синус
косинус
тангенс
котангенс
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
А2. В прямоугольном треугольнике отношение катета прилежащего к противолежащему - это
котангенс
косинус
тангенс
синус
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
А3. Отношение синуса угла к его косинусу - это
котангенс
синус
тангенс
косинус
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Основное тригонометрическое тождество
a) sin^2a+cos^2a=1
б) sina/cosa=tga
в) tgα · ctgα = 1
в) tgα + ctgα = 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A.5) sin 0o равен
0
1/2
1
1/3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В1. Найдите sinα, если cosα = 1/2
одна вторая
одна третья
корень из 3 на 2
коерень из 3 на 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В2. Найдите cosα, если sinα =1/4
корень из 13 на 4
корень из 17 на 4
корень из 5 на 4
корень из 15 на 4
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