What's the result when we reflect $y=\sin x$ twice?

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The graph of \(y=\sin x\) is reflected first in the line \(x= \pi\) and then in the line \(y=2\). The resulting graph has equation

1. \(y=\cos x\);

2. \(y=2+\sin x\);

3. \(y=4+\sin x\);

4. \(y=2-\cos x\).