Укажите верное равенство. \(\cos(180^{\circ}-α)=\cosα\) \(\cos(180^{\circ}-α)=-\cosα\) \(\cos(180^{\circ}-α)=-\sinα\) \(\cos(180^{\circ}-α)=\sinα\)
Задание

Укажите верное равенство.

  • \(\cos(180^{\circ}-α)=\cosα\)
  • \(\cos(180^{\circ}-α)=-\cosα\)
  • \(\cos(180^{\circ}-α)=-\sinα\)
  • \(\cos(180^{\circ}-α)=\sinα\)