Найдите значение выражения 32√2cos π/4 cos2π/3

Решение:

32√2cos π/4 cos2π/3 = 32 √2 ⋅ √2/2 ⋅ (-1/2) = -32 ⋅ √2 ⋅ √2 / 2 ⋅ 2 = -8 ⋅ √2 ⋅ √2 = -8 ⋅ √4 = -8 ⋅ 2 = -16

Ответ: -16

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