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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??
 one year ago
 one year 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??
 one year ago
 one year ago

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b.vijayalakshmiBest ResponseYou've already chosen the best response.0
i want full explanation
 one year ago

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