Solve for f
f=0
\nexists n_{1}\in \mathrm{Z}\text{ : }t=2\pi n_{1}
Solve for t
t\neq 2\pi n_{1}
\forall n_{1}\in \mathrm{Z}
f=0
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tf=0
The equation is in standard form.
f=0
Divide 0 by t.
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