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 2 years ago
Using de Moivre’s theorem, express cos 6θ and sin 6θ in powers of cos θ and sin θ. Do i have to use binomial expansion??
 2 years ago
Using de Moivre’s theorem, express cos 6θ and sin 6θ in powers of cos θ and sin θ. Do i have to use binomial expansion??

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b.vijayalakshmi
 2 years ago
Best ResponseYou've already chosen the best response.0i want full explanation

Snapbacklive
 2 years ago
Best ResponseYou've already chosen the best response.0\[=\cos^{6}+6i \cos^{5}\sin15\cos^{4}\sin^{2}20i \cos^{3}\sin^{3}+15\cos^{2}\sin^{4}+6i \cos \sin^{5}\sin^{6}\].
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