Q) Find , if Ans: Given Taking log both sides log = log Since log (a) b = b. log a ∴ y log (cos x) = x log (cos y) Differentiating both sides w.r.t. x (y log cos x) = (x log cos y) . log cos x + . y = . log […]

Find dy/dx, if (cos x)y = (cos y)x Read More »