Заполни пропуски в формулах

\( sin (\dfrac{\pi}{2}- \alpha) = \) [ ];

\( cos (\dfrac{\pi}{2}- \alpha) = \) [ ];

\( sin (\pi- \alpha) = \) [ ];

\( cos (\pi- \alpha) = \) [ ];

[ ] \((\pi + \alpha) = - sin \alpha\) ;

[ ] \((\pi + \alpha) = - cos \alpha\) ;

[ ] \((\dfrac{3\pi}{2} + \alpha) = - cos \alpha\) ;

[ ] \((\dfrac{3\pi}{2} + \alpha) = sin \alpha\) .