Тригонометриялық өректер

Тригонометриялық өректер

Assessment

Flashcard

Mathematics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

Тригонометриялық өрек: \(\sin(\alpha \pm \beta) = ?\)

Back

\(\sin\alpha\cos\beta \pm \cos\alpha\sin\beta\)

2.

FLASHCARD QUESTION

Front

Тригонометриялық өрек: \(\sin 2\alpha = ?\)

Back

\(2\sin\alpha\cos\alpha\)

3.

FLASHCARD QUESTION

Front

Тригонометриялық өрек: \(\sin\alpha + \sin\beta = ?\)

Back

\(2\sin\left(\frac{\alpha + \beta}{2}\right)\cos\left(\frac{\alpha - \beta}{2}\right)\)

4.

FLASHCARD QUESTION

Front

Тригонометриялық өрек: \(\frac{\sin\alpha}{\cos\alpha} = ?\)

Back

\(\tan\alpha\)

5.

FLASHCARD QUESTION

Front

Тригонометриялық өрек: \(\tan(a + \beta) = ?\)

Back

\(\frac{\tan\alpha + \tan\beta}{1 - \tan\alpha \tan\beta}\)

6.

FLASHCARD QUESTION

Front

Тригонометриялық өрек: \(\cos(\alpha \pm \beta) = ?\)

Back

\(\cos\alpha\cos\beta \mp \sin\alpha\sin\beta\)

7.

FLASHCARD QUESTION

Front

Тригонометриялық өрек: \(\tan 2\alpha = ?\)

Back

\(\frac{2\tan\alpha}{1 - \tan^2\alpha}\)

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