xGrey Messages 1 Reaction score 0 Thread starter Feb 22, 2009 #1 the problems are: 1. (sec5x)^4 dx 2. (tan2x)^3*(sec2x)^3 dx 3. (tanx)^2 /secx dx 4. (tan (x/4))^5
tiny-tim Science Advisor Homework Helper Messages 25,837 Reaction score 258 Feb 23, 2009 #2 Welcome to PF! Hi xGrey ! Welcome to PF! Show us your attempts, and where you're stuck, and then we'll know how to help! Start with 3. … use a trigonometric identity to simplify it.
Welcome to PF! Hi xGrey ! Welcome to PF! Show us your attempts, and where you're stuck, and then we'll know how to help! Start with 3. … use a trigonometric identity to simplify it.