Number of values of x in the interval `[0, 3pi]` satisfying the equation `2 sin^(2)x + 5 sin x - 3 = 0` is

Options

A. `pi/6,(5pi)/6, (13pi)/6, (8pi)/3`
B. `pi/3,(5pi)/6, (13pi)/6, (8pi)/3`
C. `pi/6,(5pi)/6, (7pi)/6, (8pi)/3`
D. `pi/3,(13pi)/6, (8pi)/6, (7pi)/6`

Answer

A