\cos 150^\circ \cos 120^\circ \sin 15^\circ \sin 75^\circ \cos(90^\circ+30^\circ) \sin(45^\circ+30^\circ) \sin(45^\circ-30^\circ) \cos(90^\circ+60^\circ) \sin \left ( \alpha+\beta \right) = \sin \left ( \alpha \right) \cos\left ( \beta \right) +\cos \left ( \alpha \right) \sin\left ( \beta \right). \cos \left ( \alpha+\beta \right)= \cos \left ( \alpha \right)\cos \left ( \beta \right) - \sin \left ( \alpha \right)\sin \left ( \beta \right). \sin \left ( \alpha-\beta \right) = \sin \left ( \alpha \right) \cos\left ( \beta \right) -\cos \left ( \alpha \right) \sin\left ( \beta \right). \cos \left ( \alpha-\beta \right)= \cos \left ( \alpha \right)\cos \left ( \beta \right) + \sin \left ( \alpha \right)\sin \left ( \beta \right).

Задание

Соотнеси элементы

\(\sin \left ( \alpha+\beta \right) = \sin \left ( \alpha \right) \cos\left ( \beta \right) +\cos \left ( \alpha \right) \sin\left ( \beta \right)\) .
\(\cos \left ( \alpha+\beta \right)= \cos \left ( \alpha \right)\cos \left ( \beta \right) - \sin \left ( \alpha \right)\sin \left ( \beta \right)\) .
\(\sin \left ( \alpha-\beta \right) = \sin \left ( \alpha \right) \cos\left ( \beta \right) -\cos \left ( \alpha \right) \sin\left ( \beta \right)\) .
\(\cos \left ( \alpha-\beta \right)= \cos \left ( \alpha \right)\cos \left ( \beta \right) + \sin \left ( \alpha \right)\sin \left ( \beta \right)\) .