Question

Solve tanx = 2cosx*tanx

Answer 1

Ok So first thing is to divide both sides by tanx
\[ \frac{\tan x}{\tan x} =\frac { 2 \cos x * \tan x}{\tan x}\]
\[1=2 \cos x\]
\[\frac{1}{2}= \cos x \]

Answer 2

Can you solve from here