Решить уравнение 2sin(6x)cos(2x)=cos(pi/2-8x)+1
2sin6xcos2x=sin8x+1 2sin6xcos2x=sin(6x+2x)+1 2sin6xcos2x-sin6xcos2x-cos6xsin2x=1 sin6xcos2x-cos6xsin2x=1 sin(6x-2x)=1 sin4x=1 4x=π/2+2πk x=π/8+πk/2,k∈z