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06-02-2020
Mathematics

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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

Respuesta :

PollyP52 PollyP52

06-02-2020

Answer:

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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