<span> [(sinx/cosx)+sinx](1-cosx)
[(sinx+sinx.cosx/cosx)](1-cosx)
[ sinx(1-cosx)+sinxcosx(1-cosx)]/cosx
sinx-sinxcosx+sinxcosx-sinx cos^2 x/cosx
sinx-sinx cos^2 x/cosx
sinx(1-cos^2 x)/cosx
(1-cos^2x)sinx/cosx
sin(squared)x.tanx.......R.H.S</span>
Answer:

Step-by-step explanation:
I'm going to presume you want this linear equation in slope-intercept form, so start with:

Subtract
from both sides of the equation:

Subtract
from both sides of the equation:

Divide both sides of the equation by the coefficient of
, which is
:

Simplify:

Answer:
B: 15
Step-by-step explanation:
I got it right on Edge