化简(sin2x+2sin^2 x)/1-tanx
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化简(sin2x+2sin^2x)/1-tanx化简(sin2x+2sin^2x)/1-tanx化简(sin2x+2sin^2x)/1-tanx有没有问题?题目是不是化简:(sin2x+2sin
化简(sin2x+2sin^2 x)/1-tanx
化简(sin2x+2sin^2 x)/1-tanx
化简(sin2x+2sin^2 x)/1-tanx
有没有问题?
题目是不是化简:(sin2x+2sin²x)/(1+tanx)
(sin2x+2sin²x)/(1+tanx)
=[2sinxcosx(sinx+cosx)]/[cosx+sinx]
=2sinxcosx
=sin2x
化简f(x)=sin2x-2sin^2x*sin2x
化简(sin2x+2sin^2 x)/1-tanx
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