a) y = 2cos2 x + 4cos3 x
b) y = -2sin3 x + 4sin2 x
c) y = -2sin2 x + 4sin3 x
d) y = 4cos2 x + 2sin3 x
For the differential equation \(\frac{dy}{dx}\) – 3y cotx = sin2x; y=2 when x=\(\frac{\pi}{2}\), its particular soluti
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For the differential equation \(\frac{dy}{dx}\) – 3y cotx = sin2x; y=2 when x=\(\frac{\pi}{2}\), its particular soluti
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