Write $\sec x - \cos x$ $\tan x$ In Terms Of $\sin x$

Write $\sec x - \cos x$$\tan x$ in terms of $\sin x$ and $\cos x$ then simplify

A) $1$
B) $\sin ^ { 2 } x$
C) $\sin x$
D) $\cos x$
E) $- \cos ^ { 2 } x$