Question

determine o argumento de z = 3i (1 +i √¯ 3)

Answer 1

$z=3i+3i^2* \sqrt{3} =3i-3 \sqrt{3} \\\\ tg\ \theta= \frac{3}{-3 \sqrt{3} } = \frac{-1}{ \sqrt{3} } = \frac{- \sqrt{3} }{3} \\\\ \theta= \frac{ 5\pi }{6} rad$