Mathematics, 29.01.2020 20:45 jademckinziemea

Prove that , tan 4x = 4 tan x (1-tan^2 x ) / (1-6 tan^2x + tan^4x).

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Prove that , tan 4x = 4 tan x (1-tan^2 x ) / (1-6 tan^2x + tan^4x)....

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