Question: # 2 . Solve the differential equation: c o s d r - ( r s i n - e ) d = 0 .

#2. Solve the differential equation: cosdr-(rsin-e)d=0.
(1) Show that the equation is exact.
(2) Solve the equation.
(3) Check the solution by substitution back into the original equation.
# 2 . Solve the differential equation: c o s d r

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