The values of `x_1` between 0 and `2pi` , satisfying the equation `cos3x+cos2x=sin(3x)/2+sinx/2` are

The number of values of x in [0,2pi] satisfying the equation 3cos2x-10cosx+7=0 is

The number of values of x in [-pi,pi] satisfying the equation 2(cos x+cos2x)+sin2x(1+2cos x)=2sin x is

The value of x lying between 0^(@) and 360^(@) which satisfy the equation cos ecx-2sin x-1=0 are

The number of values of x in [0,2 pi] satisfying the equation |cos x sin x|>=sqrt(2) is

The number of values of x between 0 and 2 pi that satisfies the equation sin x+sin2x+sin3x=cos x+cos2x+cos3x must be

The value of x satisfying the equation cos^(-1)3x+sin^(-1)2x=pi is

Number of values of x lying in [0,2 pi] and satisfying the equation sin x+cos x=1, is