bloody-orc
New Member
cos(2*x)+cos(4*x) = cos(x);
How to solve this...
It's too late and i just cant figure it out...
i know x should = 1/2 Pi. but cant figure out how the hell to get that![Wink ;) ;)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
How to solve this...
It's too late and i just cant figure it out...
i know x should = 1/2 Pi. but cant figure out how the hell to get that