Автор - cmagremurs

Решените уравнение
2sin(4x-п/6)+√2=0

Ответ

Автор - QDominus

2 sin(4x  -  frac{pi}{6} )  =  -  sqrt{2}  \  sin(4x -  frac{pi}{6} )  =  -  frac{ sqrt{2} }{2}

1 случай:

4x -  frac{pi}{6}  =  frac{5pi}{4}  + 2pi n \ 4x =  frac{5pi}{4}  +  frac{pi}{6}  + 2pi n \ x =  frac{5pi}{16}  +  frac{pi}{24}  +  frac{pi}{2}  n \ x =   frac{17pi}{48}  +  frac{pi n}{2}, nєZ

2 случай:

4x -  frac{pi}{6}  =  frac{7pi}{4}  + 2pi n \ 4x =  frac{7pi}{4}  +  frac{pi}{6}  + 2pi n \ x =  frac{7pi}{16} +  frac{pi}{24}  +  frac{pi}{2}  n \ x =  frac{23pi}{48}  +  frac{pi n}{2} , nєZ

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