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anonymous
 4 years ago
give the most general solutions to the equation 2sinxcosxsin(2x)cos(2x)=0
anonymous
 4 years ago
give the most general solutions to the equation 2sinxcosxsin(2x)cos(2x)=0

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Make 2sinxcosx to sin(2x) then factor out sin2x and solve. :)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Sin2X(1Cos2X)=0 either Sin2X=0 which follows 2X=n*pie or x=n*pie/2 n=0 onwards integers or Cos2X=1 which follows 2X=2n*pie or x=n*pie n=0 onwards integers so our solution is union of the two above.
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