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" ail "tan2x=(2tan x)/(1-tan^(2)x)...

" ail "tan2x=(2tan x)/(1-tan^(2)x)

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Prove that tan2x=(2tanx)/(1-tan^2 x)

Prove that: tan4x=(4tan x(1-tan^(2)x))/(1-6tan^(2)x+tan^(4)x)

Prove the following: tan 4x =(4tan x (1-tan^2x))/(1-6 tan^2x + tan^4x)

tan 4x = (4tan x(1-tan^2 x))/(1-6tan^2 x + tan^4 x

The general solution of ((tan2x-tan x)/(1+tan2x tan x))=1 is

tan4x=(4tan x(1-tan^(2)x))/(1-6tan^(2)x+tan^(4)x)

tan4x=(4tan x(1-tan^(2)x))/(1-6tan^(2)x+tan^(4)x)

Find the solution set of (tan 2x - tan x)/(1+tan 2x tan x) = 1 .

The general solution of the equation (tan x)/(tan2x)+(tan2x)/(tan x)+2=0 is

tan 4x = (4 tan x (1- tan ^(2) x ))/( 1 - 6 tan ^(2) x + tan ^(4) x)