4cos^23x-2cos^23x-2sin^23x=sqrt(3)cos2x+sin2x
2cos6x=sqrt(3)cos2x+sin2x
cos6x=cos(2x-П/6)
2x-П/6=+-6x+2Пk
2x-П/6=6x+2Пk
-4x=П/6+2Пk
x=-П/24+Пk/2
2x-П/6=-6x+2Пk
x=П/48+Пk/4
4cos^23x-2cos^23x-2sin^23x=sqrt(3)cos2x+sin2x
2cos6x=sqrt(3)cos2x+sin2x
cos6x=cos(2x-П/6)
2x-П/6=+-6x+2Пk
2x-П/6=6x+2Пk
-4x=П/6+2Пk
x=-П/24+Пk/2
2x-П/6=-6x+2Пk
x=П/48+Пk/4