Задание

Найди пару

\(\cos (90\degree +x)\) \(\cos (270\degree +x)\)
\(\cos (180\degree -x)\) \(\sin (270\degree +x)\)
\(\sin (90\degree -x)\) \(\sin (90\degree +x)\)
\(\cos (90\degree -x)\) \(\sin (180\degree +x)\)