The following problems or statements can be found in Stewart's Calculus 5th edition pages 183-184, problems #72, #73 (a), and #76 (a), (b), and (c). 1. Use the chain rule and the product rule to give an alternative proof of the quotient rule. 2 If n is a positive integer, prove that goinxcosnx)= nsinn-1xcos ( n+ 1 ) x. 3. a.) Use the chain rule to prove that where 1x1=vX. b) Find f(x) iff ( x ) = | sinx l and insert the graphs of f and f . c) Find g i g (x) -sin | x | and insert the graphs of g and g