已知sinx+cosx=2/3.化简((√2)sin(2x-π/4)+1)/(1+tanx)

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已知sinx+cosx=2/3.化简((√2)sin(2x-π/4)+1)/(1+tanx)已知sinx+cosx=2/3.化简((√2)sin(2x-π/4)+1)/(1+tanx)已知sinx+c

已知sinx+cosx=2/3.化简((√2)sin(2x-π/4)+1)/(1+tanx)
已知sinx+cosx=2/3.化简((√2)sin(2x-π/4)+1)/(1+tanx)

已知sinx+cosx=2/3.化简((√2)sin(2x-π/4)+1)/(1+tanx)