ddx (sin2(x))=sin(2x)
 
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ddx (sin2(x))=sin(2x)
  • steps
  • ddx (sin2(x))

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    Apply the chain rule:    2sin(x)ddx (sin(x))
    =2sin(x)ddx (sin(x))

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    ddx (sin(x))=cos(x)
    =2sin(x)cos(x)

  • Use the Double Angle identity:     2sin(x)cos(x)=sin(2x)
    =sin(2x)

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