Question Evaluate the derivative ecos(a) Evaluate cos(a)×e×(l)′Use dxdxn=nxn−1 to find derivative More Steps Evaluate (l)′Rewrite the expression dld(l)Use dxdxn=nxn−1 to find derivative 1 cos(a)×e×1Rewrite the expression cos(a)×eSolution ecos(a) Show Solution