Задание

Основанонаупр.6, стр.13.

Перетащиккаждомупримеруверныеответы

Решиуравнения:

  1. \(\left({\cosx - \cfrac{\sqrt{2}}{2}}\right)\sqrt{4x^2 - 7x+3}=0\)
  • \(\cfrac{3}{4}\)
  • \(1\)
  • \(\plusmn \cfrac{\pi}{4} + 2\pi n,n \in \Z\)
  • \(\cfrac{\pi}{4}\)

\(x\_1=\) [ ]

\(x\_2=\) [ ]

\(x\_3=\) [ ]

\(x\kern{0.27em}{=}\mathllap{/\,}\kern{0.27em}\) [ ]

  1. \(\left({\cfrac{\sqrt{3}}{2} - \cosx}\right)\sqrt{3x^2 - 4x+1}=0\)
  • \(\cfrac{1}{3}\)
  • \(1\)
  • \(\plusmn \cfrac{\pi}{6} + 2\pi n, n \in \Z\)
  • \(\cfrac{\pi}{6}\)

\(x\_1=\) [ ]

\(x\_2=\) [ ]

\(x\_3=\) [ ]

\(x\kern{0.27em}{=}\mathllap{/\,}\kern{0.27em}\) [ ]