B and C for sure but A could sometimes be considered
What was the result of the nationalists attempt to set up a free enterprise system of Taiwan?
A Taiwan's economy struggled to survive, finally reaching stability in the 1900s.
Cos(pi/2 - x) = sin(x). sec(x) = 1/cos(x), so the left side would be sinx/cosx = tanx. So it checks out.
That would be a <span>Reference Group, good luck!</span>
Africa abviously.,...................
