dy 5. (24 marks) Find d.rº 3х + 2 (a) v-(+2)(x** *1) |+ +1 (4 marks) 2 (b) y (4 marks) (4 marks) = sinx + cos²x. (c) y =
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dy 5. (24 marks) Find d.rº 3х + 2 (a) v-(+2)(x** *1) |+ +1 (4 marks) 2 (b) y (4 marks) (4 marks) = sinx + cos²x. (c) y = cos(cos). ( 1 1 (d) + 1. Y (e) y= V1+ sin? (ry?). (f) 2yt + t'y = 1 and 2 (4 marks) 2 (4 marks) sint (you may leave your answer in terms of x, y and t). (4 marks)