Question: Problems involve a variety of integration techniques. Recall that the formula for integration by parts is u dv = uv - b du, where the

Problems involve a variety of integration techniques. Recall that the formula for integration by parts is ∫u dv = uv - ∫b du, where the variables u and dv must be assigned carefully. Determine the solutions to the following DEs.
a . y' = (cos2 y) lnt
b. y' = (t2 - 5) cos2t

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