Задание

Распредели элементы

Реши уравнение \({\cos \left(x+\dfrac{\pi}{3}\right)= -\dfrac{\sqrt2}{2}}\) .

Ответ:

  • \(2\pi k\)
  • \(\dfrac{11\pi}{12}\)
  • \(\dfrac{5\pi}{6}\)
  • \(\dfrac{5\pi}{12}\)
  • \(3\pi k\)
  • \(\dfrac{\pi}{12}\)
  • \(\pi n\)
  • \(2\pi n\)

[ ] \(+\) [ ], \(n\in\Z;\)

[ ] \(+\) [ ], \(k\in\Z.\)