The number of solutions of ` sin x+ sin 3x + sin 5x=0` in the interval `[(pi)/(2).(3pi)/(2)]` is

The number of solution of sinx+sin3x+sin5x=0 in the interval {:[(pi)/(2)","3(pi)/(2)]:} is

The number of solutions of the equation sin(9x)+sin(3x)=0 in the closed interval [0,2pi] is

Number of solutions of x of the equation sin5x - sin3x - sinx=0 lying in the interval [0,2pi] is/are-

The number of real solutions of the equation 2 sin 3x + sin 7x - 3 = 0 which lie in the interval [-2pi , 2pi] is

Number of solution of the equation sin 2x + cos 2x + sin x + cos x + 1 = 0 In the interval, (0, pi//2) is

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

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