Решите уравнение
sinx*cosx=1/2
sinx*cosx=1/2 | *22sin*cosx=1sin2x=12x=П/2+2Пnx=П/4+Пn
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sinx*cosx=1/2 | *2
2sin*cosx=1
sin2x=1
2x=П/2+2Пn
x=П/4+Пn