Question: EXAMPLE 3 Finding Complex Roots Find all fourth roots of -8 +8i sqrt 3. Write the roots in rectangular form. SOLUTION -8 + 8isqrt3 =

EXAMPLE 3 Finding Complex Roots Find all fourth roots of -8 +8i sqrt 3. Write the roots in rectangular form. SOLUTION -8 + 8isqrt3 = 16 cis 120 Write in trigonometric form. Here r = 16 and = 120. The fourth roots of this number have absolute value sqrt16 = 2 and arguments as follows. Q = 120 4 360.k = 30 + 90 .k. that one fourth root of a complex number z is known. Explain how to graphically find the other three fourth roots of z

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