Let Z = 3( Cos Pi/2 + I Sin Pi/2). Find The Exact Value Of Z^7 Where 0 (Less Than Equal To) Theta (Less Than Equal To) 2pi.Find

Let z = 3( cos pi/2 + i sin pi/2). Find the exact value of z^7 where 0 (less than equal to) theta (less than equal to) 2pi.

Find (-3sqrt2/2 - 3sqrt2/2 i)^5
Find the three cube roots of 216(cos315° + i sin315°)
Find the two square roots -8 - 8sqrt3i.
Solve z^3 = 27i for all three roots
Find all three cube roots of 8(cos pi + i sin pi)

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