Пожалуйста решите 2.1 очень нужно, в 11:20 мне уже уходить
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dimanchyck2000
Sin4xcos4x = √2/4 1/2sin8x = √2/4 sin8x = √2/2 8x = (-1)ⁿarcsin(√2/2) + πn, n є Z 8x = (-1)ⁿ π/4 + πn, n є Z x = (-1)ⁿπ/32 + πn/8, n є Z Ответ: x = (-1)ⁿπ/32 + πn/8, n є Z
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1/2sin8x = √2/4
sin8x = √2/2
8x = (-1)ⁿarcsin(√2/2) + πn, n є Z
8x = (-1)ⁿ π/4 + πn, n є Z
x = (-1)ⁿπ/32 + πn/8, n є Z
Ответ: x = (-1)ⁿπ/32 + πn/8, n є Z