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Prove that cos^6A+sin^6A=1/4(1+3cos^22A)

  1. Prove that cos^6A+sin^6A=1/4(1+3cos^22A)
    1. answers icon 2 answers
    2. raginichakravorty asked by raginichakravorty
    3. views icon 1,790 views
  2. Prove That Cos3A = 4Cos A - 3Cos A
    1. answers icon 1 answer
    2. Gabriel Gad asked by Gabriel Gad
    3. views icon 684 views
  3. prove that : cos^3(θ)sin^2(θ)=1/16[2cos(θ)-3cos(θ)-5cos(θ)]
    1. answers icon 1 answer
    2. Rabin asked by Rabin
    3. views icon 503 views
  4. Prove that (3cos^2x + 8sinx-8/cos^2x) = (3sinx-5/sinx+1)
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    2. Trig asked by Trig
    3. views icon 685 views
  5. The graph of r(t)=<t- 3sin(t)/2,1- 3cos(t)/2,t> For which values of t is the curvature largest?I don’t know why my answer is
    1. answers icon 2 answers
    2. #1 asked by #1
    3. views icon 685 views
  6. determine the amplitude and period for each function: y=4sin x, y=2sin4x,y=-3sin2pi x, y=-3cos x, y=-3cos pi over 2 x
    1. answers icon 1 answer
    2. anonymous asked by anonymous
    3. views icon 555 views
  7. How does √(-3cos(t)/2)^2 +(3sin(t)/2)^2 (3cos(t)/2 - 9/2)^2 equal 3/4√4sin^2(t)-12cos(t)+17 instead of √cos^2(t)
    1. answers icon 1 answer
    2. Anonymous asked by Anonymous
    3. views icon 434 views
  8. Directions: Find the Location on Unit Circle, Period & General Solution for this problem>>>>>>> sin^2x=3cos^2xWhat I have so
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    2. Rachel asked by Rachel
    3. views icon 749 views
  9. could somebody tell me the answer or order of operations to this calculation.3cos(2 x 2) thanks. I assume you meant 3cos(2x²)
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    2. r. giggs asked by r. giggs
    3. views icon 1,067 views
  10. prove 3cos theta - cos3theta = 2cos theta cos2theta + 4sin theta sin 2theta
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    2. Cindy asked by Cindy
    3. views icon 546 views