Question: 4. Solve sin 2x = sin x for the interval x e [0, 3Tt].

![[0, 3Tt].](https://s3.amazonaws.com/si.experts.images/answers/2024/06/666de40f23317_839666de40f1f6e4.jpg)
4. Solve sin 2x = sin x for the interval x e [0, 3Tt].
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