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irisha270100
@irisha270100
June 2022
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Решите уравнение корень из 2 cos (x-п/4)-cos =корень из3/2
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glazkovdaniil
Сos(3x+П/4)=cos(7п/6)
3x+П/4=7п/6
3x=7п/6-П/4
36x=14п-3п
36х=12п
х=12п/36
х=п/3
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Answers & Comments
3x+П/4=7п/6
3x=7п/6-П/4
36x=14п-3п
36х=12п
х=12п/36
х=п/3