Simplify.
1. 2cos^2 4x-1
sin4xcos4x
2. 1-4sin^2x+4sin^4x
The answers to the first is 2cot8x and the second is cos^22x. I would like to see the step by step process.
Help would be appreciated thanks!
And what was wrong with Jhevon's answer? If you have a question about his answer, please respond in the original thread.
And please don't double post. See rule #1 here.
-Dan