Q)If sin x=12/13 then find the value of the following in fraction:

Question

1)3 tan x - cos x
2)5 sin x - 4 tan x
3)2 sin x - cos x + tan x

Answer 1

I had solved some of these parts but these are a little tricky.

Answer 2

this is a 5-12-13 triangle

cos = 5/13

tan = 12/5