SOLUTION: verify the identity tanx(1-sinx^2x)=1/2sin2x
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Question 615270: verify the identity tanx(1-sinx^2x)=1/2sin2x
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
verify the identity
tanx(1-sinx^2x)=1/2sin2x
**
Start with left side
tanx(1-sinx^2x)
=(sinx/cosx)(cos^2x)
=sinxcosx
=(1/2)sin2x
verified:
left side=right side
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