Question

if tan(A+B)=5 and tan(A-B)=3 find the value of A=?,B=?​

Answer 1

Answer:

tan ( a+b) = tan a+tan b / 1- tan a .tan b = 3

tan a +tan b = 5- 5 tan a .tan b .............(1)

tan (A-B) = tan a- tan b = 3+3 tan a .tan b .......(2)

now by adding eq 1 and 2 u will get ur ans