Question

Help solving?
2sin3x-1+0

Answer 1

\[(\sin^{-1} (1/2))/3=x\]

Answer 2

2 sin (3x) - 1 = 0 ? <- did you mean
2 sin (3x) - 1 = 0
2 sin (3x) = 1
sin (3x) = 1/2
3x = 30, 150, 390 ... degrees
so how about:
3x = 180n + (-1)^n * 30
x = 60n + (-1)^n * 10