Помогите пожалуйста) упростите выражение sin^4t+cos^2t*sin^2t-sin^2t+1 - №20786307

Помогите пожалуйста)
упростите выражение sin^4t+cos^2t*sin^2t-sin^2t+1
- Предмет:
  Алгебра
- Автор:
  gavin939
- 6 лет назад

Ответы 1

$sin^{2} t( sin^{2} t-1)+ cos^{2} t sin^{2} t+1=- cos^{2} t sin^{2} t+ sin^{2} t cos^{2} t+1=1$
- Автор:
  stella1kqf
- 6 лет назад
- 0
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