Question

tan (A+B) =1/2 and tan(A-B) = 1/3 then find the value of tan (2A)

Answer 1

using trigonometry identities..

=) tan(x+y) =( tanx + tany )/(1 - tanx.tany)

we can solve this equation by using above formula.

see attachment..

___________________________

hope it will help u