asked 167k views
3 votes
Convert 3cis 180° to rectangular form.

asked
User Deses
by
8.5k points

1 Answer

6 votes

3\mathrm{cis}180^\circ=3(\cos180^\circ+i\sin180^\circ)=3(-1+i*0)=-3
answered
User HamedH
by
8.0k points
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