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@experimentX
 one year ago

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

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Let me try by that way
 one year ago

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

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

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But hw...???
 one year ago

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

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

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

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

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

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