Prove that `tan(A-B)=(tan A-tan B)/(1+tan A*tan B)` , if A=60° & B=45°.

Prove that (tan (AB) + tan B) / (1-tan (AB) tan B) = tan A

Calculate A+B when tan A=(2)/(3) and tan B=(3)/(2) if it is given that tan(A+B)=(tan A+tan B)/(1-tan A tan B) where A and B are acute angles.

Given that tan(A+B)=(tan A+tan B)/(1-tan A tan B) find the values of tan75^(@) and tan90^(@) by taking suitable values

In a triangle ABC , right angled at A ,the altitude through A and internal bisector of /_A have lengths 3 and 4 respectively. Find the length of median through A. Given that tan(A+B)=(tan A+tan B)/(1-tan A tan B),tan(A-B)=(tan A-tan B)/(1+tan A tan B)

In a triangle ABC ,right angled at A ,the altitude through A and internal bisector of /_A have lengths 3 and 4 respectively. Find the length of median through A . (Given that tan(A+B)=(tan A+tan B)/(1-tan A tan B),tan(A-B)=(tan A-tan B)/(1+tan A*tan B))

Prove that tan(A+B+C)=(tan A+tan B+tan C-tan A tan B tan C)/(1-tan A tan B-tan B tan C-tan C tan A)

tan^(-1)((a+b tan x)/(b-a tan x))

Prove: (tan A+tan B)/(cot A+cot B)=tan A tan B

For all values of A and Btan(A+B)=(tan A+tan B)/(1-tan A tan B) and tan(A-B)=(tan A-tan B)/(1+tan A tan B)

Prove that :(tan A+tan B)/(tan A-tan B)=(sin(A+B))/(sin(A-B))