Question

If cos x = 4 sin x then tan x = ....​

Answer 1

$\tan \: x = \frac{ \sin \: x }{ \cos \: x } \\ if \: \cos \: x = 4 \sin \: x \\ \: then \: \tan \: x = \frac{ \sin \: x }{ 4\sin \: x } \\ tan \: x = \frac{1}{4}$