Question

Find all solutions in the interval [0, 2π).
sin 3θ cos θ − cos 3θ sin θ = sqrt(3)/2

Answer 1

there is a problem on here that is almost the same so i will show you that one \[\sin θ \cos 3θ + \cos θ \sin 3θ = \sin (θ+3θ) = \sin 4θ\]