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15 December, 09:14

Convert z = 9cos200° + 9isin200° from polar form to rectangular form.

-8.46 - 3.08i

-2.09 - 6.84i

8.46 + 3.08i

2.09 + 6.84i

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Answers (1)
  1. 15 December, 09:28
    0
    z = - 8.46 - 3.08i.

    Step-by-step explanation:

    cos 200 = - 0.93969 so 9 * cos 200 = - 8.46 to the nearest hundredth.

    sin 200 = - 0.3420 so 9 * sin 200 = - 3.08 to nearest hundredth.
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