Consider the differential equation (???? sin ???????? + ???????? 3 ) + (???? sin ???????? +(3/2)???? 2 ???? 2 ) ????

Consider the differential equation (???? sin ???????? + ????????3) + (???? sin ???????? +(3/2)????2????2) ????′ = 0.

(a) Show that the given differential equation is exact.(b) Find the general solution of the differential equation.