Answer:
Step-by-step explanation:
Given
Required
Determine AC
Since A, B and C are collinear, then:
So, we have:
— 4√16(cos(4π3)+isin(4π3))=2(cos(−π6)+isin(−π6))=√3−i. Explanation: De Moivre's formula tells us that: (cosθ+isinθ)n=cosnθ+isinnθ.
a) -9/-10 (4th)
b) -3/5 (4th)