If SiNx = 2cosx, then SiNx cosx / SiNx + cosx=_____

If SiNx = 2cosx, then SiNx cosx / SiNx + cosx=_____

SiNx = 2cosx, then TaNx = SiNx / cosx = 2
The original formula = (SiNx cosx) / (SiNx + cosx) = (tanx-1) / (TaNx + 1) = 1 / 3