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(3sqr3cis(pi/8))*(3sqr5cis(2pi/3))
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3 votes
(3sqr3cis(pi/8))*(3sqr5cis(2pi/3))

User Jayna
by
3.5k points

1 Answer

4 votes

Answer:

9√15·cis(19π/24)

Explanation:

The magnitudes multiply and the angles add:

= ((3√3)(3√5))·cis(π/8 +2π/3)

= 9√15·cis(π(1/8 +2/3)) = 9√15·cis(π(3/24 +16/24))

= 9√15·cis(19π/24)

User CamelCase
by
3.3k points
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