7,8 a b c

7. Find the 42nd and 55th derivative of f(x) = sin x. 8. Use this table to find the following: 2 3 4 5 f(x) 2 3 4 g(x) 7 3 f'(x) 5 7 -2 g'(x) 3 -2 1 8 (2) ir [- 25(2 )]/ ( b ) does( ) ]. (c) Find the equation of the tangent line to y - 9() f (x) at x = 3