( +8) cotx Find f (x) when f (x) = 2- cosx csCx 2x cot.x-(x+8) csc²x A. f (x) = csc2x 4xcotx-2 (x +8) csc²x-2xcotx B. f' (x) = %3D (2- cot.x) C. f'(x) = 2x cot.x-(x+8) sec2x sec2x 4 cotx-2 (x+8) csc²x+2xcot²x (2- cot.x) D. f'(x) = 4x tan x-2 (x+ 8) sec'x-2xtan x (2-tan x) E. f' (x) =D

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