Основное тригонометрическое тождество
Тригонометрия зло) База и Профиль

Quiz
•
Mathematics
•
11th Grade
•
Medium
Good Teacher
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin2α+cos2α=1
sin2α - cos2α=1
cos2α = 1+sin2a
sin2α x cos2α=1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите формулу с помощью которой можно найти sinα зная cosα
sinα=±√1−cos2α
sinα=±√1+cos2α
sinα=±√cos2α-1
sinα=±√cos2α+1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Синус, какого угла равен 1/2?
30
60
45
0
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ТАНГЕНС это отношение
синуса к косинусу
косинуса к синусу
синуса к котангенсу
косинуса к котангенсу
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Да
Нет
🙈
🙉
6.
MULTIPLE SELECT QUESTION
1 min • 2 pts
выберите верные формулы:
sin²β+cos²β=1
sin²α = 1- sin²α
tg α=cos α/sin α
tg2a + 1 = 1/cos2a
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Что здесь не так, sinx = 10 ?
sinx не может быть больше 1
все норм, решаем дальше
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