решите пожалуйста, чтоб было постепенно все написано 1)sin2αcos2α 2) sin7xcos7x 3) - №11432944

решите пожалуйста, чтоб было постепенно все написано
1)sin2αcos2α
2) sin7xcos7x
3) sin²β-cos²β
4) sin²α-1
- Предмет:
  Алгебра
- Автор:
  kitty23gc
- 6 лет назад

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One of the most significant dates during the reign of the Spanish Catholic Monarchs was 12th October 1492: the discovery of America by Christopher Columbus.

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