niaLil1losaran niaLil1losaran

20-07-2016
Mathematics

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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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meerkat18 meerkat18

21-07-2016

Based on your question to prove that both of the equations are true, you must first simplify them. So in accordance with my calculation and practicing step by step procedure i came with a solution and result in an answer of 1-(2tanx/1-tan^2x)^2

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