OK, I worked through an assignment wanting me to rewrite formulas. However two problems are driving me crazy. sin(x + (pi/6)) I get (sqrt(3)/2)sinX + (1/2)cosX not really too simplified. (sin^2(2x))(cos^2(2x)) ((1-cos4x)/2) ((1+cos4x)/2) (1-cos^2(4x))(1/4) [((2/2)-((1+cos8x)/2)](1/4) ((1+cos8x)/4)(1/4) (1 + cos8x)(1/16) //When I plug numbers in I do not get a valid solution for the original equation so I messed up somewhere. Any guidance is appreciated. Thank you for your time and knowledge. Also, congratulations this site has grown a lot since my old days of getting on about everyday. Job got in the way and all.