Inactive Tutor answered 12/02/22
Tutor
New to Wyzant
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
Ur M.
asked 12/02/22sin8x - sin4x = 0
Inactive Tutor answered 12/02/22
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
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