1. Find dy/d. by logarithmic differentiation differentiation. y (2) 2. Find equation of the tangent line to the curve 2 sin(x) cos(y) = 1 G at (5) 1. Find dy/d. by logarithmic differentiation differentiation. y (2) 2. Find equation of the tangent line to the curve 2 sin(x) cos(y) = 1 G at