Question: pls help me 2. Solve the following equations by separation of variables: (15 pts each) du a. dt -= -4ut when t = sin 90,

pls help me

2. Solve the following equations by separation of variables: (15 pts each) du a. dt -= -4ut when t = sin 90, u = tan 45 b. x cos Zydx + tan y dy = 0 when x = =,y = 45

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