Solve the given DE using the process below. (choose one) indicate process if not solvable using the mentioned process below Constant Coefficient Differential Equation Euler-Cauchy Equation METHOD OF...

Solve the given DE using the process below. (choose one) indicate process if not solvable using the mentioned process below

1. Constant Coefficient Differential Equation


2. Euler-Cauchy Equation


3. METHOD OF VARIATION OF PARAMETER


4. . METHOD OF UNDETERMINED COEFFICIENTS

y′′ + y = csc x