Question

2 sin x/sin 3x + tan x/tan 3x = 1​

Answer 1

Step-by-step explanation:

2 sin x/sin 3 x + tan x/tan 3 x=1

sin x is cut from 2 sin x/sin 3 x so it become 2/3

tan x is cut from tan x/tan 3 x so it become 1/3

2/3+1/3=0

3/3=1

therefore proved