Преобразуй в произведение. $\sin\dfrac{\pi}{2}-\sin\dfrac{\pi}{4}$ $2\sin\dfrac{3\pi}{8}\cos\dfrac{\pi}{8}$ $2\sin\dfrac{\pi}{8}\cos\dfrac{3\pi}{8}$ $2\sin\dfrac{\pi}{4}\cos\dfrac{3\pi}{4}$ $2\sin\dfrac{3\pi}{4}\cos\dfrac{\pi}{4}$

Задание

Преобразуй в произведение.

\(\sin\dfrac{\pi}{2}-\sin\dfrac{\pi}{4}\)

Выбери верный вариант.

\(2\sin\dfrac{3\pi}{8}\cos\dfrac{\pi}{8}\)
\(2\sin\dfrac{\pi}{8}\cos\dfrac{3\pi}{8}\)
\(2\sin\dfrac{\pi}{4}\cos\dfrac{3\pi}{4}\)
\(2\sin\dfrac{3\pi}{4}\cos\dfrac{\pi}{4}\)