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Автор - Kristino4kaMiy

Помогите. 9 класс
sin(a+b)+sin(a-b)/sin(a+b)-sin(a-b)=tga*ctgb

Ответ

Автор - awer999

Ответ:

Лови в фото

Объяснение:

Ответы и объяснения

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