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(cos x + isin x)(cos 2x + isin 2x)(cos 3x + isin 3x) = cos(x+2x+3x)+ isin(x+2x+3x)

(cos x + isin x)(cos 2x + isin 2x)(cos 3x + isin 3x) = cos(x+2x+3x)+ isin(x+2x+3x)
 

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1 Answers

Anish Singhal
askIITians Faculty 1192 Points
5 years ago
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