2. The differential equation XSin 2y = x' cos* y is reduced to linear form Pand Q are function of x alone, by changing the variable as (A) sin y - V (C) tan y =

2. The differential equation XSin 2y = x' cos* y is reduced to linear form Pand Q are function of x alone, by changing the variable as (A) sin y - V (C) tan y = V Pv = Q, where x (B) (D) cos y = V sin 2y V