Автор - artms98

sin 5 x cos 4 x - cos 5 x sun 4 x = 0

Ответ

Автор - mayli
sin5xcos4x - cos5xsin4x = 0
sin(5x - 4x) = 0
sinx = 0
x = πk, k∈z

Ответы и объяснения

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