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umka21 [38]
3 years ago
14

Convert 3cis 180° to rectangular form.

Mathematics
1 answer:
Alexus [3.1K]3 years ago
8 0
3\mathrm{cis}180^\circ=3(\cos180^\circ+i\sin180^\circ)=3(-1+i\times0)=-3
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GREYUIT [131]

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Step-by-step explanation:

1. Let's call:

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Shtirlitz [24]
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