Question

Cat face e^ (2 j π/3) ?

Answer 1

$e^{jt} = \cos(t) + j\sin(t)\\ \\ \\ e^{2j\frac{\pi}{3}} = e^{j\frac{2\pi}{3}} = \cos\Big(\dfrac{2\pi}{3}\Big)+ j \sin \Big( \dfrac{2\pi}{3}\Big)= \\ \\ = -\dfrac{1}{2} + j\dfrac{\sqrt 3}{2}$