
Mark M. answered 12/02/22
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
sin 2(4x) - sin 4x = 0
2 sin 4x cos 4x - sin 4x = 0
sin 4x (2 cos 4x - 1) = 0
Uses Zero Product Rule (Algebra 2) to solve for x