Предмет: Математика, автор: UdauDudai

cos33°⋅cos7°−sin33°⋅sin7°

Ответы

Автор ответа: dishepps

cos(x) • cos(y) - sin(x) • sin (y) = cos (x+y)

cos (33°+7°) = cos (40°) = -0.67

Автор ответа: marina030304

Ответ: cos(33+7) = cos40

Пошаговое объяснение:

вот формулы, пользуйся

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