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@experimentX
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
tan 3x = ? ... expand this, solve the cubic or quartic equation for tan
 2 years ago

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Let me try by that way
 2 years ago

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\[\tan 3x = \frac{ 3tanx  \tan^3 x }{ 13\tan^2x }\]
 2 years ago

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\[\frac{ 3\tan  \tan^3 x }{ 13 \tan^2 x } = 3tanx\] \[\tan^3 x = 9\tan^3 x\]
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
wolf says solution is n(pi) http://www.wolframalpha.com/input/?i=tan%283x%29+%3D+3+tan%28x%29
 2 years ago

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But hw...???
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
must be quartic in tan(x)
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
8 tan^3 x= 0 tan x = 0
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
tan(3x) = should have cubic ... you have only square ( quadratic)
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
tan x=0 only at n*pi
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
dw:1352989835689:dw
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
thats what he used.... tan^3 = 9 tan^3 so, 8tan^3= 0 > tan x=0 which is true only for x=n*pi
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
dw:1352990051780:dw
 2 years ago
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