Answer:
-1.
Step-by-step explanation:
1) according to the DeMoivre's theorem:
2) if cos(π)=-1 and sin(π)=0, then cosπ+i*sin(π)=-1.
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Answer:
-1.
Step-by-step explanation:
1) according to the DeMoivre's theorem:
2) if cos(π)=-1 and sin(π)=0, then cosπ+i*sin(π)=-1.