SOLUTION: prove 2 sin x 1 - sin ^ 2 x/2 cos x sin x equals cos x

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Question 842392: prove 2 sin x 1 - sin ^ 2 x/2 cos x sin x equals cos x
Answer by hamsanash1981@gmail.com(151) About Me  (Show Source):
You can put this solution on YOUR website!
LHS =2*sinx*(1-sin^2x)/2*sinx*cosx
=2*sinx*cos^2x/2*sinx*cosx
=cosx
= RHS