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# Got an algebra test tomorrow and I need help with this?

can anyone help me out with this?

Express (sin6θ)/sinθ as a polynomial

in cosθ

### 2 Answers

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- Anonymous9 years agoFavorite Answer
Use Wolfram... http://www.wolframalpha.com/input/?i=sin%286%CE%B8...

2 cos^5(theta)+2 cos^3(theta)+2 cos(theta)-20 sin^2(theta) cos^3(theta)+10 sin^4(theta) cos(theta)-6 sin^2(theta) cos(theta)

Good luck!

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