The differential equation for which `y=a cos x+b sin x` is a solution is

The differential equation for which y=a cos x+b sinx is a solution is -

Solution of the differential equation cos x cos y dy -sin x sin y dx=0 is

The solution of the differential equation cosy. cos x dx + sin x . Sin y dy = 0 is

Solution of the differential equation sin x. cos y dy + cos x. sin y dx = 0 is

The solution the differential equation "cos x sin y dx" + "sin x cos y dy" =0 is

The solution the differential equation "cos x sin y dx" + "sin x cos y dy" =0 is

Find the differential equation whose solution is y = a cos 2x + b sin 2x .

Find the differential equation whose general solution is y = a cos x + b sin x .

The solution of the differential equation x sin d (dy)/(dx) + ( x cos x + sin x ) y = sinx . When y (0)=0 is