prove that cosAcos2Acos4Acos8A is equal to sin16A/16sinA Share with your friends Share 4 Rashad Abdullah answered this Hi Zico, Like Plzz... 12 View Full Answer Zico answered this To Prove : cos A cos 2A cos 4A cos 8A = Proof : = L.H.S. [Hence Proved] 3 Rashad Abdullah answered this aq -2 Rashad Abdullah answered this Hi, Like Plzz... 3
