Simplify tan( arccos ). V3 O1 V3/3

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A: You have submitted multiple questions. According to Bartleby policy, I'll solve only the first…

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A: (x2-1)dydx+2xy = 2x2-1dydx+2xx2-1y=2(x2-1)2this Diff eq is Linear Diff Eq.dydx+P(x) y =…

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