Find f'(h) if f (h) = sec-I O A. f' (h) = 4 h Vh2-4 O B. f' (h) = 2 h|(h-2) O c. f' (h) = 2 h h-4 O D. f' (h) = 2 hvh'-1 O E. f' (h) = 1 h h2-4Find the equation of the line tangent to the graph of y = cot- (2x) at x = O A. y = 2 4 o cy=at 4 O D. y = -it 4 O E y =-It 2