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" Q."83i" ) Prove that "tan4x=(4tan x(1-...

" Q."83i" ) Prove that "tan4x=(4tan x(1-tan^(2)x))/(1-6tan^(2)x+tan^(4)x)

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

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

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

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

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

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

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

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

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

Prove that tan 3x= (3tan x-tan^3 x)/(1-3tan^2 x)