SOLUTION: Prove the above identify : sin⁴x+sin²xcos²x /1+cosx =1-cosx

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Question 952491: Prove the above identify : sin⁴x+sin²xcos²x /1+cosx =1-cosx
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Prove the above identity :
sin⁴x+sin²xcos²x /1+cosx =1-cosx
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sin^2[sin^2+cos^2] = (1+cos)(1-cos)
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sin^2(1) = 1 - cos^2
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sin^2(x) = sin^2(x)
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Cheers,
Stan H.