" (i) "y=A cos(x+B)

y=a cos x+b sin x+x sin x is a solution of the D.E. A) y_(2)+y=x cos x B) y_(2)+2y=2cos x C) y_(2)+y=2cos x D) y_(2)-y=2cos x

Form the differential aequation by eliminating the arbitrary constant a and B from y =A cos x+ B sin x

The differential equation representing the family of curves y=A cos (x+B) , where A and B are parameters, is

Form the differential equation representing the family of curves y=A cos(x+B) where AS and B are parameters.

Form the differential equation representing the family of curves y=A cos(x+B) where AS and B are parameters.

Form the differential equation representing the family of curves y=A cos(x+B) where A and B are parameters.

If a cos (x + y) = b cos (x - y), show that (a + b)tan x = (a - b) cot y.

Sketch the graph of the following functions: (a) y=cos x+|cos x|, (b) y=|x+2|x ,

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