`tan^(-1)((cosx-sinx)/(cosx+sinx))=pi/4-x`

tan^(-1)((cosx+sinx)/(cos x-sinx))

cot^(-1)((cosx-sinx)/(cosx+sinx))

Find the derivative of tan^(-1)((cosx - sinx)/(cosx + sinx)) with respect to 'x'

tan^-1(cosx/(1-sinx))

tan^(-1) ((cosx - sinx)/(cosx + sinx)) , 0< x < pi

Find- tan^-1((cosx+sinx)/(cosx-sinx))

Differentiate tan^(-1)((a cosx-b sinx)/(b cosx + a sinx)) w.r.t. x.

Differentiate each of the following w.r.t. x: (i) tan^(-1)((1-cosx)/(sinx))" "(ii)tan^(-1)((cos x -sinx)/(cosx +sinx))