Question

If TanA=2/5 & tan A =3/7 then prove a+b=Π/4

Answer 1

Answer:

tan A = 2/5

& tan A =3/7

2/5=3/7

14=15

okay!

now we must start proving

a plus b= Can be anything.

( poorly written query is genuine ground for gaining 5 points is app , where spammers are Genius .)