Grade Upto college levelDifferential Calculusy=(sinx+cosx/sinx-cosx)then find dy/dx at x=15 ANJALI 12 Years agoGrade Upto college level
Vinti Singhai12 Years agoGiven expression can be written as -(1+tanx)/(1-tanx)=-tan(x+pi/4)Hence dy/dx = -sec^2(x+pi/4)Vinti SinghaiaskIITians Faculty,B.E(Honors) in Elec &Comm, Gold Medalist