NCERT Miscellaneous Exercise Q11 - Differential Equations
Question: Find a particular solution of dy/dx + y cot x = 4x cosec x (x != 0) given y=0 when x=π/2.
Answer: y sin x = 2 x^2 - π^2/2 (sin x != 0).
Full step-by-step NCERT solution with diagrams on Something by Zero.