The number of solutions of the equation sinx. Sin2x. Sin3x = 1 in [0, 2pi]

The number of solutions of the equation sin x . Sin 2x. Sin 3x=1 in [0,2pi] is

The number of solutions of the equation "sin" x = "cos" 3x " in " [0, pi] is

The number of solutions of the equation "sin x = |"cos" 3x| "in" [0, pi] , is

the number of solution of the equation 1+ sinx.sin^2(x/2) = 0 , in [-pi , pi ] , is

Find the number of solution of the equation cot^(2) (sin x+3)=1 in [0, 3pi] .

The number of solutions of the equation tan x sin x-1=tanx-sinx, AA in [0, 2pi] is euqal to

Number of solutions of the equation 2 sin^3x + 6 sin^2x -sin x-3=0 in (0, 2pi), are

The number of solutions of the equation 1+cosx+cos2x+sinx+sin2x+sin3x=0, which satisfy the condition pi/2<|3x-pi/2|lt=pi is

The number of solutions of the equation 1+cosx+cos2x+sinx+sin2x+sin3x=0, which satisfy the condition pi/2<|3x-pi/2|lt=pi is

The number of solutions of the equation 3"sin"^(2) x - 7"sin" x +2 = 0 in the interval [0, 5 pi] , is