Find [√6(cos (2π/3) + i sin (2π/3))]⁴ using DeMoivre's Theorem. Express the answer in rectangular form.

Determine all the complex roots for the given complex number. Express the complex roots in the polar form using angles in degrees.

The complex square roots of 256(cos 240° + i sin 240°)

Determine all the complex sixth roots of 729. Express the roots in rectangular form and round to one decimal if needed.

Simplify the given complex number. Express your answer in polar form.

[3(cos 8° + i sin 8°)]⁷