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Input:
(x=t-2*sin(t),y=1-2*cos(t))
Write:
`(x=t-2*sin(t),y=1-2*cos(t))`
Compute:
$$x=t - 2\ sin(t), y=1 - 2\ cos(t)$$
Output:
$$x=t - 2\ sin(t), y=1 - 2\ cos(t)== x=(-2)\ sin(t)+t, y=1-2\ cos(t)$$
Result: $$x=(-2)\ sin(t)+t, y=1-2\ cos(t)$$
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