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Midnight656
@Midnight656
July 2022
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решите как можно быстрее!!!
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Notch13
4*sin(x)*sin(y)=1
2*(cos(x-y)-cos(x+y))=1
2*cos(x-y)-1=1
cos(x-y)=1
x-y=2Пn , n принадлежит целым
x=y+2Пn
y=П/6-Пn
x=П/6+Пn
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Answers & Comments
2*(cos(x-y)-cos(x+y))=1
2*cos(x-y)-1=1
cos(x-y)=1
x-y=2Пn , n принадлежит целым
x=y+2Пn
y=П/6-Пn
x=П/6+Пn