Тригонометрические Формулы Углов
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Easy
Ляззат Искакова
Used 1+ times
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20 questions
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1.
FLASHCARD QUESTION
Front
Синус суммы углов
Back
sin(α + β) = sinα cosβ + cosα sinβ
2.
FLASHCARD QUESTION
Front
Синус разности углов
Back
sin(α - β) = sinα cosβ - cosα sinβ
3.
FLASHCARD QUESTION
Front
Косинус суммы углов
Back
cos(α + β) = cosα cosβ - sinα sinβ
4.
FLASHCARD QUESTION
Front
Косинус разности углов
Back
cos(α - β) = cosα cosβ + sinα sinβ
5.
FLASHCARD QUESTION
Front
Тангенс суммы углов
Back
tg(α + β) = (tgα + tgβ) / (1 - tgα tgβ)
6.
FLASHCARD QUESTION
Front
Тангенс разности углов
Back
tg(α - β) = (tgα - tgβ) / (1 + tgα tgβ)
7.
FLASHCARD QUESTION
Front
Котангенс суммы углов
Back
ctg(α + β) = (ctgα ctgβ - 1) / (ctgα + ctgβ)
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