Home
Class 11
MATHS
tan((pi)/4+A)=(1+tanA)/(1-tanA)...

`tan((pi)/4+A)=(1+tanA)/(1-tanA)`

Text Solution

Verified by Experts

The correct Answer is:
`=RHS`
NA
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    SUBHASH PUBLICATION|Exercise Alternate Methods|12 Videos

  • SUPER MODEL QUESTION PAPER-3

    SUBHASH PUBLICATION|Exercise Point E|4 Videos

Similar Questions

Explore conceptually related problems

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

If A-B=(pi)/(4) then (1+tan A)(1-tan B)=

If x=180^(@) ,A = (pi)/(3) and B=(pi)/(6) Prove that tan(A-B)= (tanA-tanB)/(1+tanAtanB)

Prove the following identities,where the angles involved are acute angles for which the expressions are defined. ((1+tan^(2)A)/(1+cot^(2)A))=((1-tanA)/(1-cot A))^(2)=tan^(2)A

Prove the following identities, 0^(@) le theta le 90^(@) . (x) (1+tan^(2)A)/(1+cot^(2)A) = ((1- tanA)/(1- cot A))^(2) = tan^(2)A

underset(n to oo)lim 1/n [ tan pi/(4n) + tan (2pi)/(4n) + tan (3pi)/(4n) + …. + tan(npi)/(4n)] =

If tan^(-1)x=(pi)/(4)-tan^(-1)((1)/(3)) , then x 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)