asked 160k views
2 votes
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??

asked
User Maletor
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8.8k points

1 Answer

2 votes
I'm pretty sure you do have to use binomial expansion.
answered
User Shawana
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8.5k points
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