Anonymous
Anonymous asked in Science & MathematicsMathematics · 9 years ago

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

Relevance
  • Anonymous
    9 years ago
    Favorite 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!

    Source(s):
  • 9 years ago

    Try expanding it out. double angles, half angels, ect

Still have questions? Get your answers by asking now.