Find the value of: `omega^-105`

Find the value of omega^-30

Find the value of: omega^18

Find the value of: omega^21

Find the value of: omega^-30

Find the value of omega^18

Find the value of omega^21

If omega is a complex cube root of unity, then find the values of: omega + 1/omega

If omega is a complex cube root of unity, then find the values of: omega^2 + omega^3 + omega^4

If omega is a complex cube root of unity, then find the values of: (1 - omega - omega^2)^3 + (1 - omega + omega^2)^3

If omega is a complex cube root of unity, then find the values of: (1 + omega^2)^3