4cos x cos((pi)/(3)+x)cos((pi)/(3)-x)=

The sum of the solutions in (0, 2pi) of the equation cos x cos ((pi)/(3)-x)cos((pi)/(3)+x)=(1)/(4) is

The extreme values of cos x cos((2pi)/(3)+x)cos((2pi)/(3)-x) is

The period of cos x*cos((pi)/(3)+x)*cos((pi)/(3)-x) is

The sum ofall the solutions ofthe equation cos((pi)/(3)+x)*cos((pi)/(3)-x)=(1)/(4)x in[0,6 pi]

The maximum and minimum values of [4 cos x^(2)cos ((pi)/(3)+ x^(2))cos ((pi)/(3)-x^(2))] respectively are-

Prove that cos x+cos((2 pi)/(3)-x)+cos((2 pi)/(3)+x)=0

cos((3pi)/4+x)-cos((3pi)/4-x)=

Prove that: cos((3 pi)/(4)+x)-cos((3 pi)/(4)-x)=sqrt(2)sin x

Prove that: cos((3 pi)/(4)+x)-cos((3 pi)/(4)-x)=-sqrt(2)sin x

Prove that: cos((3 pi)/(4)+x)-cos((3 pi)/(4)-x)=-sqrt(2)sin x