Recommended Questions
- tan 4x = ( 4tan x(1- tan^(2)x))/(1-6 tan^(2) x + tan^(4) x)
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- Prove that:(tan(pi/4+x))/(tan(pi/4-x))=((1+tanx)/(1-tanx))^2
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- Prove that:tan4x=(4tanx(1-tan^2x))/(1-6tan^2x+tan^4x)
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- (tan(pi/4+x))/(tan(pi/4-x))=((1+tanx)/(1-tanx))^2
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- Prove that (tan(pi/4+x))/(tan(pi/4-x))=((1+t a n x)/(1-t a n x))^2
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- tan 4x=(4tan x(1-tan^(2)x))/(1-6tan^(2)x+tan^(4)x)
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- (tan.((pi)/(4)+x))/(tan.((pi)/(4)-x)) =((1+tan x)/(1-tan x))^(2)
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- 7 tan 4x = (4 tan x (1-tan^(2)x))/( 1-6 tan^(2) x+ tan^(4)x)
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- tan 4x = ( 4tan x(1- tan^(2)x))/(1-6 tan^(2) x + tan^(4) x)
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