jee-main 2019 Q68

jee-main · India · session1_09jan_shift2 Standard trigonometric equations Solve trigonometric equation for solutions in an interval

If $0 \leq x < \frac{\pi}{2}$, then the number of values of $x$ for which $\sin x - \sin 2x + \sin 3x = 0$, is:
(1) 4
(2) 3
(3) 2
(4) 1

If $0 \leq x < \frac{\pi}{2}$, then the number of values of $x$ for which $\sin x - \sin 2x + \sin 3x = 0$, is:\\
(1) 4\\
(2) 3\\
(3) 2\\
(4) 1