1. The problem statement, all variables and given/known data Integral 17(sin(x))^3(cos(x))^9 http://www.mediafire.com/imageview.php?quickkey=55l9ediwdqxsg4f&thumb=4 [Broken] 2. Relevant equations Integration 3. The attempt at a solution I get (-17(5sin(x))^2 +1)(cos(x))^10)/60. But I'm wrong. It says I need to change something but I don't know what.