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Тригонометрические Формулы Углов

Тригонометрические Формулы Углов

Assessment

Flashcard

Mathematics

9th Grade

Practice Problem

Easy

Created by

Ляззат Искакова

Used 1+ times

FREE Resource

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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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