If `tanA=m/(m-1)` and `tanB=1/(2m-1)`, find the value of `(tanA-B)`.

If tanA=m/(m-1) and tanB=1/(2m-1) , find the value of tan(A-B) .

If tanA=m/(m-1) and tan(B)=n , find the values of tan 2A and tan 2B .

If tanA=m/(m-1) and tan(B)=n , find the values of tan 2A and tan 2B .

If tanA=m/(m-1)\ a n d tanB=1/(2m-1), then prove that A-B=\ pi/4

If A and B are positive acute angles and sinA =3/5,cosB=(15)/(17) , find the value of (tanA-tanB)/(1+tanAtanB) .

If (1 + tanA)(1 + tan B) = 2, then find the value of (A +B).

If sin A=sqrt3/2 and cos B = sqrt3/2 , find the value of : (tanA-tanB)/(1+tanAtanB)

If A and B are acute angles such that tanA=(1)/(3) , tanB=(1)/(2) and tan(A+B)=(tanA+tanB)/(1-tanAtanB) , Then find the value of A+B .

If A+B=45^(@) , find the valueof tanA+tanB+tanA tanB :