Question

if tan a = 1/2 , tan b = 1/3 prove that 2a+b=3​

Answer 1

Answer:

We have, tan A=1/2and tan B=1/3

Now tan( 2a+b)=tan2a+tan b/1-tan2atan b

Also tan 2a=2tan a/1- tan 2 a=2.1/2/1-1/4=4/3