Question

Найдите значение функции f(x)=3sin(x-2Π/3) в точке x=Π/6.

Answer 1

$f( \frac{\pi}{6} ) = 3 \sin( \frac{\pi}{6} - \frac{2\pi}{3} ) = 3 \sin( - \frac{\pi}{2} ) = - 3$