
Тренажёр 9. Знаки тригонометрических функций

Quiz
•
Mathematics
•
10th Grade
•
Easy
Ирина Викторовна Артющенко
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите знак выражения.
cos 40°
положительный
отрицательный
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите знак выражения.
sin 70°
положительный
отрицательный
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите знак выражения.
sin 240°
положительный
отрицательный
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите знак выражения.
cos 290°
положительный
отрицательный
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите знак выражения.
tg 98°
положительный
отрицательный
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите знак выражения.
sin (-140)°
положительный
отрицательный
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите знак выражения.
cos 5π/3
положительный
отрицательный
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите знак выражения.
cos (-2π/3)
положительный
отрицательный
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