FIND dy/dx if y=tan-1 [1+tanx/1-tanx] were x related to [-pie/4,pie/4] Share with your friends Share 6 Muskaan Talwar answered this Dear Student, y=tan-11+tan x1-tan xy=tan-1tanπ4+tan x1-tanπ4 tan x=tan-1tanπ4+xy=π4+x as x∈-π4,π4dydx=0+1=1 Regards 12 View Full Answer