elizabethcapehartt elizabethcapehartt
  • 02-05-2020
  • Mathematics
contestada

Find the cube roots of 27(cos 327° + i sin 327° ). Write the answer in trigonometric form.

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amna04352
amna04352 amna04352
  • 02-05-2020

Answer:

3(cos 109° + i sin 109°)

3(cos 229° + i sin 229°)

3(cos 349° + i sin 349°)

Step-by-step explanation:

27(cos 327° + i sin 327°)

Modulus: 27^⅓ = 3

Arguments:

327/3 = 109

(327+360)/3 = 229

(327+2(360))/3 = 347

Cube roots are:

3(cos 109° + i sin 109°)

3(cos 229° + i sin 229°)

3(cos 349° + i sin 349°)

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chrisCBE12 chrisCBE12
  • 14-07-2021

Answer:

A

Step-by-step explanation:

thats what the one on top says

Answer Link

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