Тригонометрия
Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Що таке тригонометрія?
Back
Тригонометрія - це розділ математики, що вивчає відношення між сторонами і кутами трикутників.
2.
FLASHCARD QUESTION
Front
Які основні тригонометричні функції?
Back
Синус (sin), косинус (cos), тангенс (tan), котангенс (cot), секанс (sec), косеканс (csc).
3.
FLASHCARD QUESTION
Front
Яка формула для обчислення синуса кута?
Back
sin(θ) = протилежна сторона / гіпотенуза.
4.
FLASHCARD QUESTION
Front
Яка формула для обчислення косинуса кута?
Back
cos(θ) = прилегла сторона / гіпотенуза.
5.
FLASHCARD QUESTION
Front
Яка формула для обчислення тангенса кута?
Back
tan(θ) = протилежна сторона / прилегла сторона.
6.
FLASHCARD QUESTION
Front
Що таке одинична окружність?
Back
Одинична окружність - це коло з радіусом 1, яке використовується для визначення значень тригонометричних функцій.
7.
FLASHCARD QUESTION
Front
Яка формула для обчислення секанса кута?
Back
sec(θ) = 1 / cos(θ).
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