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anonymous
 5 years ago
if sin ^ 2 x =sin 4 x.what is x.pls help
anonymous
 5 years ago
if sin ^ 2 x =sin 4 x.what is x.pls help

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\sin ^{2}x=\sin4x\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0= +4 ,  4 but I'm not sure

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0do you have a selections of answer?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0there are many solutions here.....

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0some solutions are 0,180 360 degrees

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0if tried plugging in identities but got nowhere. by inspection one solution is sin x = 0

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0for advanced students you can use newtons method of iteration

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0lets try again sin^2x = 2 sin2xcos2x 1/2  (1/2)cos2x = 2 cos2xsin2x this might be the way to go i have to go now

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0geee my pc keeps hanging up...lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the best way of getting a solution roots is to use newtons method here, but its pretyy advanced for high school students who didnt take calculus yet..lol....

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i graphed this on my calculator and there are 9 roots between 0 and 360 degrees!! 0, 180, 360, 39.1, 106.7, 124.2, 219.1, 286.7, 304.2 mark was right! many roots!
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