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Input:
sin(x-timer(30)) + 1 and sin(x +timer(30))-1
Write:
`sin(x-timer(30)) + 1 and sin(x +timer(30))-1`
Compute:
$$sin(x - timer(30))+1\ and\ sin(x+timer(30)) - 1$$
Output:
$$sin(x - timer(30))+1\ and\ sin(x+timer(30)) - 1== 1+sin((-timer(30))+x)\ and\ -1+sin(timer(30)+x)$$
Result: $$1+sin((-timer(30))+x)\ and\ -1+sin(timer(30)+x)$$
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