SOLUTION: Sin^4x-cos^4x=1-2cos^2x

SOLUTION: Sin^4x-cos^4x=1-2cos^2x

Algebra.Com

Question 986691: Sin^4x-cos^4x=1-2cos^2x
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Sin^4x-cos^4x=1-2cos^2x
=============================
You didn't say what you want to do.
RELATED QUESTIONS
if sinx+sin^2x=1 ;then the value of... (answered by jsmallt9)

How do you factor... (answered by scott8148)

Prove the identity: {{{2Cos^2x -1 = Cos^2x... (answered by Edwin McCravy)

cos^2x-sin^2x=2cos^2x-1 verify the... (answered by stanbon)

Which expression is equivalent to cos(1.4x) − cos(0.6x)? a. -2sin x sin(0.4x) b.... (answered by math_tutor2020)

Prove the identities: Sin^2x | Tan^2x/1+tan^2x Sin^4x+cos2x | Cos^4x... (answered by Alan3354)

please prove sin^2x + cos^4x = cos^2x +... (answered by stanbon)

Simplify: cos(4x) cos(2x) - sin(2x)... (answered by ikleyn,solve_for_x)

Solve sin 4x = cos... (answered by Boreal,ikleyn)