The number of solution of `sin^(4)x-cos^(2) x sin x+2 sin^(2)x+sin x=0` in `0 le x le 3 pi` is

Number of solutions of the equation sin^(4) x-cos^(2)x sin x + 2 sin^(2) x+sin x=0 in 0 le x le 3pi is ________.

Number of solutions of the equation sin^(4) x-cos^(2)x sin x + 2 sin^(2) x+sin x=0 in 0 le x le 3pi is ________.

The number of solution of the equation x^3 + x^2 + 4x + 2 sin x = 0 , 0 le x le 2pi , is

If 4 sin^(2)x-8 sinx+3 le 0,0 le x le 2pi, x in

The number of solution of sin x+sin 2x+sin 3x =cos x +cos 2x+cos 3x, 0 le x le 2pi , is

The number of solution of sin x+sin 2x+sin 3x =cos x +cos 2x+cos 3x, 0 le x le 2pi , is

The number of solution of sin x+sin 2x+sin 3x =cos x +cos 2x+cos 3x, 0 le x le 2pi , is