User:Lalala

hello i´m lalala i´m from munich i want to show how you can calculate this exercise if you are to stupid for this if you have any more questions you can call me on 0190/666999 mfg lalala (only 1 cent/min)

f(x)=(cos(2x³))²

====>f `(x)=2*(cos(2x³))*(-sin(2x³))*6x²