Grade 12 solutions please. Thanks

Assignment: Derivatives 1. Determine f' () for f(x) = sin ( tan(cos x)) 2. a) Given that h(x) = f(x)g(x), and the following values, determine g'(1). h(1) 24 g(1) 6 f'(1) -2 h'(1) 20 b) Can any value(s) of a be selected, such that f(x) = Var' - 4 has a tangent of slope I at x = 4? 3. Show that the functions f(x) = cos 2x and g(x) = 2cos2x have the same derivative, but no common tangents. 4. For the given function y= f(x). determine _ (24) EZ S'(27) 20 On 20