x10eholbrook x10eholbrook
  • 15-05-2020
  • Mathematics
contestada

Simplify 5(cis7pi/4)^4

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sqdancefan
sqdancefan sqdancefan
  • 15-05-2020

Answer:

  -625

Step-by-step explanation:

The magnitude gets raised to the power, and the angle gets multiplied by the power:

  5(cis7pi/4)^4 = (5^4)cis(4·7π/4) = 625cis(7π) = 625cis(π) = -625

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UrsoNet
UrsoNet UrsoNet
  • 24-03-2022

[tex]3cis\pi/256[/tex]

Ver imagen UrsoNet
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