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

Question

Mathematics

Adam Lowe

1 May, 19:13

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

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Pamela Chaney · Answer 1

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